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How to calibrate a water sensor pressure switch

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Most pressure switches have a dial or adjustment screw.
Here is some information showing various styles of pressure switches for spas.
If you cannot determine where your adjustment is let me know the make and model number.

Thanks

Posted on Nov 05, 2012

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Posted on Jan 02, 2017

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Code p0156,p1131,p115,p0156 on my 2000 Ford taurus


P0156 - Problem with 0/2 circuit for downstream sensor of the front bank.
P1131 - Low activity of the upstream sensor for bank one. (rear)
P0115 - Problem with circuit for coolant temp sensor.

Just because you have codes for these sensors doesn't mean the sensor is the reason. The code merely tells you there is an issue in the circuit that needs to be troubleshooted accurately.

Oct 12, 2014 | Cars & Trucks

1 Answer

How do I adjust the pressure switch on my hayward h250 heater


The purpose of the pressure switch is to verify the pool pump is operating properly and water pressure is present in the heating chamber. When water pressure is not present, the heater control system is designed to not allow initiation of flame. The pressure switch is preset at the factory for deck level installations. When the heater is located below the level of the spa or pool, the pressure switch may require an adjustment to compensate for the no-flow static head.

CAUTION: The Hayward Pool Heater is essentially a furnace. A trained technician should be consulted to repair it. DO NOT OPERATE the Hayward Pool Heater without a properly functioning and calibrated water pressure switch. The pressure switch adjustment requires both the pool pump and the heater be operational. As a result, extreme caution should be used during this procedure since sources of energy can not be isolated during the procedure.

The following procedure is recommended to calibrate the pressure switch.

1. The water pressure switch is located behind the front service panel. The pressure switch is typically on the left side, above the burners.
2. Be sure the water filter is clean before making the adjustment.
3. With the pump and heater system switch on, carefully turn the pressure switch adjustment dial clockwise, until a click is heard from the gas valve.
4. Turn the adjustment dial counterclockwise 1/4 turn.
5. Turn the pump off and on several times. The heater should shut off immediately when the pump is shut off. If the heater fails to shut down when the pump is off, repeat the steps above until the pressure switch is properly adjusted.
6. If the adjustment process fails to produce proper results the pressure switch should be replaced.

Jun 22, 2014 | Hayward H Series Pool & Spa Heater...

1 Answer

Needs service code 66


The pressure sensor is faulty and needs a new/good secondhand one
You can get one from an old dead board,
But it needs to be calibrated to that board.
To calibrate the new one set machine to fill to low water level,
The plastic hex with red on it needs to be turned up to raise & down to lower the water level.1/8inch of a turn will adjust water by 15 to 20mm.
66. (01000001) Pressure Transducer Error [Ptx Frequency > 90 kHz]
Note: this supersedes Fault code 65 from V41 Motor controller code onwards.
The Motor Control module has received signals from the water level sensor (Ptx)
above normal frequency values.
Primary Source: Motor Control module
Action: Replace Motor Control module

Jun 17, 2012 | Fisher and Paykel Washing Machines

1 Answer

Needs service code 66


The pressure sensor is faulty and needs a new/good secondhand one
You can get one from an old dead board,
But it needs to be calibrated to that board.
To calibrate the new one set machine to fill to low water level,
The plastic hex with red on it needs to be turned up to raise & down to lower the water level.1/8inch of a turn will adjust water by 15 to 20mm.
66. (01000001) Pressure Transducer Error [Ptx Frequency > 90 kHz]
Note: this supersedes Fault code 65 from V41 Motor controller code onwards.
The Motor Control module has received signals from the water level sensor (Ptx)
above normal frequency values.
Primary Source: Motor Control module
Action: Replace Motor Control module

Jun 17, 2012 | Fisher and Paykel Fisher Paykel Intuitive...

1 Answer

Heater fires up and is hot but does not heat the water. Raypak Versa bronze


This unit must have adequate water flow and apparently needs to be checked for proper operation.

Consider the following:

The unit as manufactured is equipped with:
  • pressure switch - likely stuck in the on condition, or been has been bypassed
  • Thermostat - Needs to be checked to insure it is properly working and calibrated.
  • Hi-limit switches - need to be checked to insure they are working and not bypassed.
  • flame sensor - prevents flame from leaving the firebox and damaging control area. (if equipped)
  • Flow Governor - controls water flow through the heat exchanger to prevent over pressure.
If the pressure switch is working properly, a blockage after the heater, would create pressure, but not enough flow. Check for a closed valve or obstruction in the plumbing.

If the problem is a clogged filter, and the filter is located before the heater, then the pressure switch is NOT working correctly and needs to be replaced or adjusted to factory settings. Remove the filter cartridge and check for flow.

Bottom line is:

No flow and no pressure, - heater should not come on.
No flow, but pressure, heater would come on and overheat, tripping hi-limit.
Good flow, heater would come on and spa would heat.

Nov 26, 2010 | Raypak Hood shown but not included. A...

1 Answer

1999 lincoln town car trouble code P1151--I have the service engine light on and it seems to have a rough idle like the fuel injectors are not giving it enough gas I have a code description but I don't...


check the HEGO sensor (upstream) first. Check for a broken wire in the harness to the sensor. Good luck. The HEGO sensor in in the exhasut system just past the exhaust manifold.
The downstream sensor is not so important.



P1151 - Lack of HO2S-21 Switch, Sensor Indicates Lean A HEGO sensor indicating lean at the end of a test is trying to correct for an over-rich condition. The test fails when fuel control system no longer detects switching for a calibrated amount of time. See Possible Causes for DTC P1130

P1130 - Lack of HO2S-11 Switch, Fuel Trim at Limit The HEGO Sensor is monitored for switching. The test fails when the HO2S fails to switch due to circuit or fuel at or exceeding a calibrated limit.
  • Electrical:
    • Short to VPWR in harness or HO2S
    • Water in harness connector
    • Open/Shorted HO2S circuit
    • Corrosion or poor mating terminals and wiring
    • Damaged HO2S
    • Damaged PCM
  • Fuel System:
    • Excessive fuel pressure
    • Leaking/contaminated fuel injectors
    • Leaking fuel pressure regulator
    • Low fuel pressure or running out of fuel
    • Vapor recovery system
  • Induction System:
    • Air leaks after the MAF
    • Vacuum Leaks
    • PCV system
    • Improperly seated engine oil dipstick
  • EGR System:
    • Leaking gasket
    • Stuck EGR valve
    • Leaking diaphragm or EVR
  • Base Engine:
    • Oil overfill
    • Cam timing
    • Cylinder compression
    • Exhaust leaks before or near the HO2S(s)
A fuel control HO2S PID switching across 0.45 volt from 0.2 to 0.9 volt indicates a normal switching HO2S.

Oct 23, 2010 | 1999 Lincoln Town Car

1 Answer

Machine keeps stopping and showing fo5


ALARM CODES

E11 Problems with water fill in wash phase E10 Cycle PAUSED 8.2
E12 Problems with water fill in drying E10 Cycle PAUSED 8.3
E21 Problems with water drain in wash phase E20 Cycle PAUSED 8.4
E22 Problems with water drain during drying or drying
condenser blocked E20 Heating phase skipped 8.5
E31 Analogic (electronic) pressure switch circuit faulty --- Cycle blocked
with door closed 8.6
E32 Incorrect calibration of analogic (electronic) pressure
switch --- Cycle PAUSED 8.7
E33
Incongruency between level of analogic (electronic)
pressure switch and level of anti-boiling pressure
switch 1
--- Cycle blocked
with door closed 8.8
E34 Incongruency between level of electronic pressure
switch and level of anti-boiling pressure switch 2 --- Cycle blocked
with door closed 8.9
E35 Water level too high --- Cycle blocked with door
closed and water drain 8.10
E36 "Sensing" circuit of anti-boiling pressure switch 1 faulty --- Cycle blocked
with door closed 8.11
E37 "Sensing" circuit of anti-boiling pressure switch 2 faulty --- Cycle blocked
with door closed 8.11
E38 Pressure chamber blocked --- Heating phase skipped 8.12
E41 Door open E40 Cycle PAUSED 8.13-14
E42 Problems with door closure E40 Cycle PAUSED 8.15-16
E43 TRIAC which powers the door interlock faulty E40 Cycle PAUSED 8.17-18
E44 "Sensing" circuit of door delay interlock faulty --- Cycle blocked 8.19
E45 "Sensing" circuit of door delay interlock triac faulty --- Cycle blocked
with door closed 8.19
E51 TRIAC which powers the motor short-circuited --- Cycle blocked with door
closed (after 5 attempts) 8.20
E52 No signal from tachometric generator --- Cycle blocked with door
closed (after 5 attempts) 8.21-22
E53 "Sensing" circuit of motor TRIAC faulty --- Cycle blocked
with door closed 8.23
E54 Relays (motor) contacts faulty --- Cycle blocked with door
closed (after 5 attempts) 8.23
E61 Insufficient heating during washing --- Heating phase skipped 8.24
E62 Overheating during washing --- Drain, end of cycle 8.25
E63 Insufficient heating during drying Heating phase skipped 8.26
E64 Overheating during drying --- Heating phase skipped 8.27
E66 Power relay to heating element faulty --- Drain, end of cycle 8.28
E71 NTC wash sensor faulty --- Heating phase skipped 8.29
E72 NTC sensor on drying condenser faulty --- Heating phase skipped 8.30
E73 NTC sensor on drying duct faulty --- Heating phase skipped 8.31
E84 "Sensing" circuit on circulation pump triac faulty --- Drain, end of cycle
(door open) 8.32
E85 Circulation pump faulty --- Drain, end of cycle
(door open) 8.33
E91 Communications error between main PCB and user
interface --- --- 8.34
E93 Configuration error E90 Cycle blocked 8.34
E94 Incorrect configuration of washing cycle E90 Cycle blocked 8.34
EF1 Drain filter blocked LED-EF0 --- 8.35
EF2 Excessive detergent LED-EF0 --- 8.35
Regards David Marsh

Oct 22, 2009 | Washing Machines

2 Answers

No hot water when heating tempreture reached.flow switch is operating, power at flow switch terminals on pcb (three wires),? but when working hot water runns for ever and heating runs ok too untill the...


I have a triton opal shower.

I turn shower on low pressure and cold water. then no low pressure and piping hot water for a very short time then low pressure and cold water.

I've changed the solenoid and the little black plastic ball.

Help !

Aug 21, 2009 | Water Heaters

2 Answers

Kenmore 110-20932-994 overfills with water (keeps fillilng)


Water fill sensors are electronic and may become insulated with detergent, grease, scum, and the like. All it may need is a good cleaning if its electronic. Consult with the manufacturer as to what and how. These sensors are usually imbeded in a plastic polymer of some kind so you wont want to use anything like nail polish remover... Also if electronic the sensor may be fine and the board or a section of the board is out.

If its electro - mechanical type switch :
Water fill switches usually have an air tube that as the water level comes up the air pressure increases and causes the switch to go from fill to wash.
I have seen rodents chew holes in the air tubing and this could be the cause or you may have a bad switch.
Some times the switches also get out of calibration and need readjusting (especially if you have moved in altitude like up a mountain or into a valley).
If this helps you please rate me as high as possible.
If it doesnt help you please rediscribe your problem in more detail to help me understand, post back and I will follow up.

Mar 22, 2009 | Kenmore 24032\24036 Top Load Washer

3 Answers

E60 error code


Found These Fault Codes On Internet, Hope This Helps, Daz

ALARM CODES

E00(E00)- Problems with water fill during washing
-Tap closed; solenoid valve, water distributor, wiring ,main PCB, pressure switches

E01(E00)- Problems with water fill during drying
-Tap closed; solenoid valve, wiring , main PCB, pressure switches

E10(E10)- Problems with water drain during washing
-Drain hose kinked, filter blocked, drain pump, water distributor, wiring , main PCB, pressure switches

E11(E10)- Problems with water drain during drying
-Drain hose kinked, filter blocked, drain pump, pressure switches

E20(E20)- Door open
-Cycle in Door delay, wiring , main PCB

E21(E20)- Fault in door delay power triac
-Wiring , main PCB

E30- Fault in electronic pressure switch
-Electronic pressure switch, wiring , main PCB

E31- Fault in electronic pressure switch circuit
-Main PCB (fault in electronic pressure switch circuit)

E32(E10)-Calibration error in electronic pressure switch
-Electronic pressure switch, drain pump, wiring , main PCB, filter blocked

E33- Incongruency between electronic pressure switches and safety switch 1
-Electronic pressure switch, safety pressure switch,wiring, main PCB

E34- Incongruency between electronic pressureswitches and safety switch 2
-Electronic pressure switch, safety pressure switch,wiring, main PCB

E35- Intervention of anti-overflow pressure switch
-Solenoid valve, water distributor, wiring, main PCB,anti-overflow pressure switch

E36- Water leakage (maximum number of resets exceeded)
-Water leakage, drain hose too low, pressure switch,wiring, main PCB

E40- Motor power triac short-circuited
-Main PCB (triac short-circuited)

E41- No signal from tachimetric generator
-Tachimetric generator on motor, wiring, main PCB

E42- Fault in tachimetric generator circuit
-Main PCB (tachimetric generator sensing circuit)

E43- Intervention of motor overload protection
-Motor, wiring, main PCB

E50- Insufficient heating during wash phase
-NTC sensor setting incorrect, heating element, wiring,main PCB

E51- Overheating during wash phase
-Heating element (to earth), main PCB (relays)

E52- Insufficient heating during drying phase
-NTC sensor setting incorrect, safety thermostat,thermostats, drying heater, wiring, main PCB (relays)

E53- Overheating during drying phase
-Drying heater (to earth), main PCB (relays)

E55- Fault in power relay for heating element (K3)
-Safety pressure switch 2, wiring, main PCB- 6 -

E60- Fault in washing NTC sensor
-Washing NTC sensor, wiring, main PCB

E61- Fault in drying NTC sensor(condenser)
-Drying NTC sensor (condenser), wiring, main PCB

E62- Fault in drying NTC sensor(duct)
-Drying NTC sensor (duct), wiring, main PCB

E63- Fault in 1/2 power thermostat
-Drying NTC sensor (duct), 1/2 power thermostat, wiring,main PCB

E70- Power triac to distributor motor short-circuited
-Main PCB (triac short-circuited)

E71- Fault in power relay to distributor loads
-Main PCB (relay open)

E72- No distributor position signal
-Water distributor motor, wiring, main PCB

E73- Incorrect timing on distributor contacts
-Water distributor, wiring, main PCB

E90- Fault in tank fill pump
-Hoses obstructed, tank fill pump, wiring

E91- Fault in tank drain pump
-Hoses obstructed, tank drain pump, wiring

E92- Fault in power triac to tank fill pump
-Tank fill pump, wiring, main PCB

Jan 04, 2008 | Zanussi ZWF1440 Front Load Washer

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