AERCO Innovation (G-10-1350 to G-11-0563) - Manual (Page 97)

Appendix B Innovation Series Water Heaters
GF-128
Display Messages USER MANUAL OMM-0079_0B
- 07/21/11 AERCO International, Inc.
· 100 Oritani Dr. · Blauvelt, NY 10913 · Ph: 800-526-0288
Page 97 of 200
TABLE B-2. FAULT MESSAGES - Continued
FAULT MESSAGE FAULT DESCRIPTION
OUTDOOR TEMP
SENSOR FAULT
The temperature measured by the Outdoor Air Sensor is
out of range.
OUTLET TEMP
SENSOR FAULT
The temperature measured by the Outlet Sensor is out
of range:
· OUTLET TEMPERATURE display = SHt Indicates sensor
is shorted
· OUTLET TEMPERATURE display = OPn indicates sensor
is open-circuited
PRG SWTCH CLOSED
DURING IGNITION
The Purge Position Limit Switch on the Air/Fuel Valve
closed during ignition.
PRG SWTCH OPEN
DURING PURGE
The Purge Position Limit Switch on the Air/Fuel Valve
opened during purge.
REMOTE SETPT
SIGNAL FAULT
The Remote Setpoint signal is not present or is out of
range.
RESIDUAL
FLAME
The Flame signal was seen for more than 60 seconds
during standby.
SSOV
SWITCH OPEN
The SSOV switch opened during standby.
SSOV FAULT
DURING PURGE
The SSOV switch opened during purge.
SSOV FAULT
DURING IGN
The SSOV switch closed or failed to open during
ignition.
SSOV FAULT
DURING RUN
The SSOV Switch closed for more than 15 seconds
during Run.
SSOV RELAY
FAILURE
A failure has been detected in one of the relays that
control the SSOV.
STEPPER MOTOR
FAILURE
The Stepper Motor failed to move the Air/Fuel Valve to
the desired position.