Troubleshooting - Raypak XTHERM 1005 Installation & Operating Instructions Manual

Does the power switch provide
power to the control panel?
Step 1
YES
YES
Step 2
Is Disable connection intact?
YES
Does the combustion air
Step 3
blower come on?
Is 4-20mA present at the quick
disconnects on the black and blue
wires of the tem perature controlle r?
YES
Is 24VAC at the NC side of
Step 4
the air pressure switch?
YES
Is 24VAC at PS on ignition module?
Step 5
Is connecting plug secure?
YES
Ste p 6
Does igniter prove?
YES
Ste p 7
Is the flame sensor signal to the
ignition module greater than 1 uA DC?
YES
Ste p 8
Is the unit runnin g?
YES
Ste p 9
The unit is oka y
NO
Is there a Call For
Heat?
NO
Reattach.
Is there 120VAC at the blower or
NO
YES
YES
Does F2 on ignition module
have AC powe r?
NO
NO
Is Amp draw during heat-
NO up for HSI greater than
3.1 Amps?
YES
NO
Is static and dynamic inlet gas
pressure correct?
NO
Call our Technical Service Department
1-800-947-2975 Outside California
1-800-627-2975 Inside California
Check the switch and/or
line voltage
NO
Unit is in standby mode.
NO
blower relay?
Is diagnostic board
NO indicating open
safeties?
Is there continuity in the wire
NO
between F2 and Pin J5-6?
Is blower pressure setting
(vacuum) correct?
YES
Correct wiring.
NO
Is air switch bouncing?
Is gas pressure correct?
YES
NO
Replace gas valve
YES
Check and correct power
connections at main terminal
block, circuit breaker panel or
blower relay.
Replace temperature
NO
controller.
Correct Safety
YES
NO
Check filter,
Correct the shutter
NO
setting or blower
amp draw.
Replace air pressure switch.
Replace HSI
NO
YES
NO
Correct the gas pressure.
Repair or
Replace wire.