PAGE 23of 46 HG-1-1701 GAS-FIRED HEATER
LAST UPDATED: JAN-25-2022 © SAMUEL JACKSON, INCORPORATED 2011 ALL RIGHTS RESERVED
ALARM 603
BURNER A FAILED IN OPERATION
. Increase minimum fuel valve during run or reduce
air flow target.
ERROR 605
FLAME A BEFORE FUEL BEFORE SPARK:
Check flame rod and flame relay.
ERROR 607
FLAME A BEFORE FUEL DURING SPARK
: Check for leaking fuel valves.
ALARM 609
BEFORE-MIX THERMOCOUPLE #1 REVERSED:
Verify wiring in thermocouple per
diagram. This can also be caused by long pipe runs to the thermocouple location and cool
ambient temperatures.
ALARM 610
AFTER-MIX THERMOCOUPLE #1 REVERSED:
Verify wiring in thermocouple per
diagram. This can also be caused by long pipe runs to the thermocouple location and cool
ambient temperatures.
ALARM 611
BEFORE-MIX THERMOCOUPLE #2 REVERSED
: Verify wiring in thermocouple per
diagram. This can also be caused by long pipe runs to the thermocouple location and cool
ambient temperatures.
ALARM 612
AFTER-MIX THERMOCOUPLE #2 REVERSED
: Verify wiring in thermocouple per
diagram. This can also be caused by long pipe runs to the thermocouple location and cool
ambient temperatures.
ALARM 613
BEFORE-MIX HIGH TEMPERATURE LIMIT:
Check for low air flow.
ERROR 614
EXCESSIVE FLAME A AFTER SHUTDOWN:
Check for leaking fuel valves.
ERROR 617
PRESSURE BETWEEN SSOVS FELL MORE THAN 0.5PSI
: Check SSOV2 for leaks.
ERROR 618
NO FAN INTERLOCK:
Are all fans running?
ERROR 619
FUEL PRESSURE LOW AT FUEL INLET
ERROR 620
FUEL PRESSURE TOO HIGH AT FUEL INLET
ALARM 624
NO SIGNAL - GAS PRESSURE #1:
Check wiring or replace gas inlet pressure sensor.
Summary of Contents for HG-1-1701
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