Raypak 5042004 operating instructions Troubleshooting, Step Step Step

TROUBLESHOOTING

Step 1

Step 2

Step 3

Does the power switch provide

NO

Check the switch and/or

power to the control panel?

line voltage

Is there a Call For

YES

NO

Unit is in standby mode.

Heat?

YES

Is Disable connection intact?

NO

Reattach.

YES

Check and correct power

Does the combustion air

Is there 120VAC at the blower or

connections at main terminal

NO

NO

blower relay?

block, circuit breaker panel or

blower come on?

blower relay.

YES

Step 4

Is 4-20mA present at the quick disconnects on the black and blue wires of the temperature controller?

	YES
YES

Does F2 on ignition module

have AC power?

Is 24VAC at the NC side of	NO
the air pressure switch?
YES

	Is diagnostic board
				NO
NO
	indicating open
		safeties?
			YES
	Is there continuity in the wire
NO
	between F2 and Pin J5-6?
Is blower pressure setting
			NO
(vacuum) correct?
		YES

Replace temperature

controller.

Correct Safety

NO	Repair or
	Replace wire.

Correct the shutter

setting or blower

amp draw.

Step 5

Step 6

Is 24VAC at PS on ignition module?

Is connecting plug secure?

YES

Does igniter prove? NO

YES

Replace air pressure switch.

NO Correct wiring.

Is Amp draw during heat-

up for HSI greater than NOReplace HSI 3.1 Amps?

YES Is air switch bouncing? NO

YES

Step 7

Step 8

	Is the flame sensor signal to the		NO	Is gas pressure correct?
								NO
ignition module greater than 1 uA DC?
					YES
	YES
		Is static and dynamic inlet gas					Correct the gas pressure.
Is the unit running?						NO
			pressure	correct?

Step 9

YESNO

The unit is okay

YES

Call our Technical Service Department

1-805-278-5300

48