Troubleshooting - Empire Comfort Systems DV-55IP Installation Instructions And Owner's Manual

START
Turn gas supply off
Turn thermostat to
call for heat.
Power to module.
(24 VAC nominal)
Yes
Spark across
Igniter/sensor gap.
Yes
Turn gas supply on.
Pilot burner lights?
Yes
Spark stops when
pilot is lit?
Yes
Main burner lights?
Yes
System runs until
call for heat ends?
Yes
Call for heat ends.
System shuts
Yes
Troubleshooting ends
Page 18
S8600H TROUBLESHOOTING GUIDE
Note: Before troubleshooting, familiarize yourself with the startup and checkout procedure.
No
Check line voltage power, low voltage transformer, limit control,
thermostat and wiring.
No
Pull ignition lead and check
spark at ignition stud.
Spark okay?
* Check ignition cable, ground wiring, ceramic insulator and gap, and
correct.
* Check boot of the ignition cable for signs of melting or buckling.
Take protective action to shield cable and boot from excessive
temperatures.
No
* Check that all manual gas valves are open. Supply tubing and
pressures are good, and pilot burner orifice is not blocked.
* Check electrical connections between module and pilot operator on
gas control.
*
voltage is okay, replace gas control. If not, replace module.
* Note: If S8600H goes into lockout, reset system.
No
* Check continuity of ignition cable and ground wire.
* Check that pilot flame covers electrode.
* Adjust pilot flame current. Minimum signal should read 1.0
microamp.
* If problem persists, replace module.
No
*
replace module.
* Check electrical connections between module and gas control. If
okay, replace gas control.
Note: If S8600H goes into lockout, reset system.
No
* Check continuity of ignition cable and ground wire. Note: if ground
is poor or erratic, shutdowns may occur occasionally even though
operation is normal at the time of checkout.
* If checks are okay, replace module.
No
* Check for proper thermostat operation.
* Remove MV lead at module: If valve closes, recheck thermostat
and wiring. If not, place gas control.
Repeat procedure until trouble free operation is obtained.
Yes
Check for 24V AC across PV -MV/PV terminals on module. If
Check for 24V AC acro ss MV-MV/PV terminals. If no voltage,
No
Replace module.
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