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Heater for Dimension One spa causing circuit breaker to open

I checked the resistance on each leg to the pump to ground to be about 1k ohms

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Resistance on heating elements should be 10.8 or more. if it isn't that high you need a new element.

Posted on Feb 26, 2009

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I have a handy lite2 LJ175N and I keep getting FL4 error code but the hot surface ignitor works if I run power to it from an outlet.

Maybe an open circuit at igniter?
Direct power at igniter, does not make it problem free when installed on the heater.
So many variables...
burned fuse for igniter, bad wire connection, broken wire within sheathing,etc,
all of these will cause a resistance change in ohms. Temperature is read by Heater logics in ohms resistance - both set temperature and actual temperature. So if resistance is off, heater may not work. Could be cracked igniter, or shorting to ground. When you remove the heater from igniter operation, by bypassing and installing a direct alternate power source, you are removing all self test features and safety aspect of heater.
FL4 usually means bad igniter - replace it.

May 31, 2015 | Pool & Spa

1 Answer

Pump does not turn on. there is power to the board but nothing lights up

No power supply to "board" possibly 24vac, or an air type of control, so that the air supply pump is not active. Possibly the power supply to the pump and control board has "popped" the
circuit breaker. Check, the circuit breaker. There may also be a GFI Ground Fault Indicator that acts like a circuit breaker but is more sensitive, especially near water. Look at the receptacle that the motor plugs into. GFI has a test button and a reset button.

Mar 26, 2015 | Jandy AquaLink RS OneTouch RS8 Pool or Spa...

1 Answer

My karcher pressure did turn on but stopped working altogether now wont turn on

Make sure that your circuit breaker did not go off and you have power..

Turn on the water after connecting the hoses. Then connect an ohm meter to the hot and ground legs of the male power plug. Push the on/off button to on and then pull the trigger. When you do that your ohm meter should indicate the resistance of the motor windings. If the resistance still stays at zero, then 1 - your motor is burnt out, 2 - the on/off switch is not working, 3 - the water pressure switch is electrically open. Check all three for proper operation and replace as needed.

Apr 01, 2014 | Karcher Garden

1 Answer

Code po380 glow plug heater circuit a malfunction 2001 dodge cummins how to fix

DTC P0380 - Glow Plug/ Heater Circuit "A" Malfunction

Power to the 2 intake heater solenoids (relays) comes directly from the left battery positive cable. There is a harness that connects to the battery positive cable and then has a fusible link for each relay and then connects to one of the studs on each relay. Your fusible link in the harness may have blown. If so you can purchase this harness from the dealer, or go to your auto parts store and buy a fuse link and repair it yourself. Also inspect the end of the harness that connects to the battery.

Zoom Image Diagram HERE

When Monitored and Set Condition:P-0380 INTAKE AIR HEATER RELAY #1 CONTROL CIRCUIT


TEST ACTION APPLICABILITY1 Ignition On, Engine Not Running.With the DRB read DTC's.Is the DTC SPECIFIC GOOD TRIPS displayed and equal to 0?Yes - Go To 5No - Go To 2

2 Ignition On, Engine Not Running.With the DRB read the DTC's.Determine if the DTC matches the Freeze Frame DTC.Is the DTC equal to Freeze Frame DTC?Yes - Go To 3No - Repair the DTC with the DTC data.

3 Ignition On, Engine Not Running.With the DRB read DTC's.Read the Freeze Frame data.Try to duplicate the conditions in the Freeze Frame.Did the DTC Specific Good Trips change to 0?Yes - Go To 5No - Go To 4
4 Ignition On, Engine Not Running.Note: Intake Air Heater actuation time must be kept at a minimum due tohigh current draw.With a voltmeter, measure the Battery B(+) terminal and record the result.With DRB, actuate #1 Intake Air Heater.While actuating, use the voltmeter and measure the Battery B(+) Terminal.Stop actuation test.Did the battery voltage drop 0.5 volt of more during actuation test?Yes - Test Complete.No - Go To 5

5 Ignition Off.Disconnect the Intake Air Heater Relay #1 Control Circuit.Note: Check connectors - Clean/repair as necessary.Disconnect the Engine Control Module Connector.Note: Check connectors - Clean/repair as necessary.Using an ohmmeter, measure the resistance between the Intake Air Heater Relay #1Control Circuit and Ground.Is the resistance below 5.0 ohms?Yes - Repair the Intake Air Heater Relay #1 Control Circuit for a shortto ground.Perform Powertrain Verification Test VER-5A.No - Go To 6

6 Ignition Off.Disconnect the Ground Connector at Heater Relay #1.Note: Check connectors - Clean/repair as necessary.With an ohmmeter, measure the Ground Circuit to ground.Is the resistance below 5.0 ohms?Yes - Go To 7No Repair the open Ground Circuit.Perform Powertrain Verification Test VER-5A.

7 Ignition Off.Disconnect the Intake Air Heater Relay #1 Control Circuit.Note: Check connectors - Clean/repair as necessary.Connect one end of a jumper wire to the Open Relay Terminal and briefly tap theother end of the jumper wire to B+.Did the Intake Air Heater Relay click?Yes - Go To 8No - Replace the Intake Air Heater Relay #1.Perform Powertrain Verification Test VER-5A.8 Ignition Off.
Disconnect the Intake Air Heater Relay #1 Control Circuit.Note: Check connectors - Clean/repair as necessary.Disconnect the Engine Control Module Connector.Note: Check connectors - Clean/repair as necessary.Using an ohmmeter, measure the resistance of the Intake Air Heater Relay #1Control Circuit from the Engine Control Module to the Relay.Is the resistance below 5.0 ohms?Yes - Go To 9No - Repair the Open Intake Air Heater Relay #1 Control Circuit.

9 Ignition Off.If there are no other possible causes remaining.View repair options.RepairReplace the Engine Control Module.

Hope this helps.

Mar 07, 2012 | Cars & Trucks

1 Answer

What would cause my savio wm3600 sump pump to repeatedly kick off breaker

1. The sump pump could be causing an over current situation if it is bound up. If this were the case it would probably kick the breaker immediately or very soon after turning on with breaker reset.
2. There could be an over current situation by having a short in the motor. You can check this with a electric meter used on a DEENERGIZED circuit with it in ohms to test resistance. Motors generally have a resistance of 1.3 to 2.3 ohms. Check by placing the two leads on the two wires going directly to the pump. Must be DEENERGIZED or electrically dead or you may destroy the meter. If resistance is near 0.0 ohms then the motor has an internal short.

3. There could be an over current if the motor is shorted to ground. With DEENERGIZED disconnect the neutral (white wire) and check the resistance as described above with one of the leads on the hot (black) and the other on the ground (green). If low resistance like near zero then shorted to ground

4. The electrical cord could be damaged which may indicate like number 2 or 3 above, examine the cord when removing the pump.

5. The breaker could be bad, but not very likely. Could switch out with an identical one and check.

Finally- if #1, clear obstruction; if #2 or #3 replace pump; if #4 replace cord if possible; if #5 swap breaker.

Jul 08, 2011 | Garden

1 Answer

My brand new 1.5 hp, 230/115 v pentair runs for several minutes, gets hot and then shuts off. (not tripping the breaker) ...wiring was already in place on previous 1.5 hp, 230/115 jacuzzi brand pump for...

It is probably only getting 115V from your circuit which will cause it to overheat and trip the overload yet it will not draw high current which would trip the breaker. Can you confirm your line voltage with a meter? If it is suppoed to be a 230V line then look for a bad leg of power, again, checking each leg to ground using a meter.


May 28, 2011 | Pentair 15 Hp Superflo Swimming Pool Pump

1 Answer

50amp breaker for spa heater gets hot after about 45 minutes and then trips. does it need replaced?

MUCH more likely that your heating element needs to be replaced. Check all connections for heat damage, due to resistance. If you ever stop water flow, the heater MUST be turned off, or you can kill it. Fortunately, it costs tons less than the breaker.

Mar 05, 2011 | Siemens 50 Amp Ground Fault Circuit...

1 Answer

I have a 240V hot tub and when I turn on the Cutler-Hammer GFCB250 GFI Circuit Breaker, 50A, it trips immediately. I spoke with a tech support guy from the hot tub mfr who says that the heater and pump...

It is very possible breaker is bad. If you have another 50 amp breaker in the box try swapping them and see if it still trips. GFIC breakers are finicky and they do go bad. I would make sure that the heater is not shorted out before replacing the breaker. It shows 15 ohms which is not what you would normally see which is 9-12 ohms. The reading of 15 ohms you got is high but if the manufacture says that is acceptable then we must assume it is. You also need to test for a short before eliminating the element as a possible cause. Test it with your ohm meter set to the highest setting. Measure between one element terminal and the sheath of the element. Any reading indicates a short to ground indicating the element is bad. If you find it is good then a defective GFCI is really about all it can be.

Sep 20, 2010 | Eaton Corporation GFCB250 GFI Circuit...

1 Answer

Intermatic t10004 control panel trips the circuit breaker

That circuit breaker is letting you know that you've got a problem in the electrical wiring.... What's next is to turn the power off to BOTH legs of the breaker.
Begin by physically inspecting all the connections in the timer box, and at the breaker and all the way to the pump motor. Make sure all connections are dry, and there's no water in any of the conduits...this will cause a short circuit and trip the breaker. If there's any bare power leg wires touching a grounding point , this can cause the breaker to trip. Lastly check the motor on the pump; on the motor end, there should be a cap you can remove and use a crescent wrench to make sure the motor shaft is moving freely. It could be jammed with debris....this happens around my pool often because I'm surrounded by trees with needles. If the motor cannot turn freely, this will cause the breaker to blow... I'm pretty sure that your timer isn't the issue... Please let me know what you find out.

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