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My pressure switch for my well pump keeps short cycling,what do I do?

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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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SOURCE: Karcher 3.97M Short cycles after trigger is released.

Dear csdamman,
There is a valve called the spill-valve. It is often called the control valve. This valve activates the micro-switch. When the gun is released, pressure builds up and compresses this spill valve. At the same time it puts off the micro-switch. This will then stop the machine. Now when the spill valve is faulty it cannot hold compreesion under pressure so it starts de-compressing and starts the machine again. This goes on in a cycle as you explained. So you have to change the spill valve. If the spill valve that operates the micro-switch is part of the upper head,...then the whole head must be renewed. Myself I rarely service Spill Valves. The best thing is to renew it. From your explanation it seems that you did not take notice of this Spill-Valve. Infact when you mentioned Pressure Switch, I do not know if you are refering to the spill valve. If you are....then saying that the Pressure Switch moves and operates freely, does not mean that it is OK.
In certain machines in the outlet...there is a small valve, coloured black and red or green and yellow. This sometimes when faulty, it gives the fault you mentioned. Sometimes an inlet valve gives the fault you mentioned. But from my expirience it is most of the time that the Spill-Valve is the fault.
Regards,
Fulltech.

Posted on Jul 22, 2009

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1 Answer

My 8 Yr old 1hp jet pump model JRD10 cycles on and off when i try to use hose at facuet?


I think the pressure switch is cycling your pump when there is a low demand. If your system has a pressure tank, it is waterlogged (has no air in it). If you shut down you system, drain the tank, and the restart you system, it should work. Most tanks are made to be pressurized to a certain pressure before starting up your system. Some tanks have a 'tire valve' on them for pressurizing with air.

Oct 29, 2014 | Goulds Pumps Goulds gt10 1 1 Phase...

1 Answer

My well water pump is short-cycling & shuts off due to overheating. Any ideas??


If it is short cycling the tank is probably water logged and needs to have the empty air level set. Basically that means drain the tank (pump off first of course) then check the air in the bladder. Should be a couple pounds less than the low cut in setting of the pumps pressure switch. This should let the pump rest between cycles and stop the overheating. If it still overheats you have a failing pump and will need to replace it or rebuild it.

Jun 28, 2012 | Plumbing

1 Answer

How do you set the water well pressure switch so that it does not cycle from low pressure to high pressure? Can you not set it to where you have good pressure all the time when watering the yard?


There will usually be a difference in water pressure between the pump cycling on and off. The larger, spring loaded nut near the end of the case is the shut off adjustment. The small spring loaded nut next to it is for setting the differential between the stopping point and when the pump will restart. Getting these two points as close as possible will minimize the pressure differential while doing yard work but short cycling is not good for motors of any kind.

Mar 30, 2011 | Square D FSG2J24M4CP Water Pump Pressure...

1 Answer

I have a 84 caddy deville,why is the ful pump fuse keeps blowing


either the fuel pump is shorted, the wiring going to the fuel pump is shorted to groung, or 1 other option, the oil pressure switch is shorted. gm back then ran the fuel pump wiring to the oil pressure swtch as a back up system for the fuel pump. one of these is your problem

Mar 06, 2011 | 1984 Cadillac DeVille

1 Answer

How do I fix code P1237 on ford taurus sel


P1237 - Fuel Pump Secondary Circuit Malfunction

Electronic Returnless Fuel Systems (ERFS) utilize a Fuel Pump Driver Module (FPDM) to control fuel pressure. The PCM uses a Fuel Rail Pressure Sensor (FRP) for feedback. The PCM outputs a duty cycle to the FPDM to maintain the desired fuel rail pressure. During normal operation, the PCM will output a FP duty cycle from 5% to 51%. The FPDM will run the fuel pump at twice this duty cycle, e.g. if the PCM outputs a 42% duty cycle, the FPDM will run the fuel pump at 84%. If the PCM outputs a 75% duty cycle, the FPDM will turn off the fuel pump.

If the FPDM does not out any diagnostic signal, (0 or 100% duty cycle), the PCM sets a P1233 DTC. This DTC is set if the FPDM loses power. This can also occur if the Inertia Fuel Switch is tripped.

If the FPDM outputs a 25% duty cycle, it means that the fuel pump control duty cycle is out of range. This may occurs if the FPDM does not receive a valid control duty cycle signal from the PCM. The FPDM will default to 100% duty cycle on the fuel pump control output. The PCM sets a P1235 DTC.

If the FPDM outputs a 75% duty cycle, it means that the FPDM has detected an open or short on the fuel pump control circuit. The PCM sets a P1237 DTC.


Keep us updated.

Feb 28, 2011 | 2000 Ford Taurus

1 Answer

Installed a new jet pump for shallow well (gravity feed to pump) - used old pressure tank - after about 4 months pump began kicking on and off constantly when in use - troubleshooting guide suggested it...


The pressure tank must have a certain amount of air in it so pump doesn't cycle as you say. The new pressure tanks have a bladder that separates air from water and keeps the pump from cycling so much. Make sure your pressure switch on the pump is OK--ie doesn't have burned contacts!

Mar 01, 2010 | Flotec Corrosion Resistant Shallow Well...

1 Answer

Keeps on cycling on and of when not in use?


I believe you have a faulty pressure switch. The black hose reports to the switch what the pressure is and either starts or stops the compressor through the switch. Air is bleeding out of the hose ...causing short cycling ... for some reason. Fix the leak - fix your problem

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Oct 27, 2009 | Hitachi EC12 Portable Electric 2hp Air...

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

1 Answer

Gould 1/2hp submergible well pump cycles on and off constantly. low to no water pressure .The pressure switch remains in the closed position. Power to pump side of pressure switch good. pump runs 15...


My first thought was that of a water logged tank which causes short cycling, from your notes the tank is good (the tank may be partially water logged though) If the tank is ok and your getting short cycling (and the switch is good) I would guess your check valve down the well has failed. As the pump creates pressure then shuts off the water may be going right back down the well causing the pump to cycle again. This could also account for the poor water pressure as the check valve may be stuck slightly open allowing the system to loose pressure but only allowing a small amount of flow by when running. There could be a leak within the pumps drop-pipe and your loosing pressure through this leak. I expect you'll have to have the pump pulled.
I hope this may have helped,
Tom

Oct 10, 2009 | Plumbing

2 Answers

Washing machine keeps stopping mid wash and coming up error (32 motor surrisc) zanussi keeps stopping and reporting E32 as a fault, how do i fix this?


Hello
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

Feb 26, 2009 | Zanussi ZWF1430W Front Load Washer

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