Thermo Pride GMD1-60N Installation And Service Manual page 35

All installations and services must be performed by qualified service personnel.
Yes
DOES SYSTEM RUN UNTIL
THERMOSTAT IS SATISFIED?
Yes
DOES BURNER SHUT OFF
WHEN THERMOSTAT IS
SATISFIED?
Yes
DOES THE CIRCULATING
AIR BLOWER TURN OFF
AFTER THERMOSTAT IS
SATISFIED WITHIN
120 SECONDS?
Yes
TROUBLESHOOTING COMPLETE.
IS LED LIGHT
No
ON INTEGRATED
CONTROL FLASHING?
Yes
CHECK FOR SHORT IN
No WIRE TO THERMOSTAT
AND CORRECT IF
NECESSARY.
IF LED FLASHES:
1 FLASH, THEN PAUSE SYSTEM LOCKOUT
2 FLASHES, THEN PAUSE
3 FLASHES, THEN PAUSE
4 FLASHES, THEN PAUSE
6 FLASHES, THEN PAUSE
7 FLASHES, THEN PAUSE
8 FLASHES, THEN PAUSE
CONTINUOUS FLASHING
(NO PAUSE)
THE LED WILL ALSO FLASH ONCE AT POWER-UP.
CHECK COMPLETE SYSTEM OUT.
LED LIGHT STAYS ON CONTINUOUSLY,
COMPLETE FAILURE - REPLACE INTEGRATED CONTROL.
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CHECK ALL
No WIRING FOR
LOOSE
CONNECTIONS
PRESSURE SWITCH STUCK CLOSED
PRESSURE SWITCH STUCK OPEN
OPEN LIMIT SWITCH OR ROLLOUT SWITCH
115 VOLT AC POWER REVERSED
LOW FLAME SENSE SIGNAL
CHECK IGNITOR OR IMPROPER GROUNDING
FLAME HAS BEEN SENSED WHEN NO FLAME
SHOULD BE PRESENT (NO CALL FOR HEAT)