Watts Aerco Innovation 800 User Manual page 139

Innovation Hot Water Hot Water Boiler User Manual
APPENDIX B – STARTUP, STATUS AND FAULT MESSAGES
FAULT MESSAGE
OUTDOOR TEMP
SENSOR FAULT
OUTLET TEMP
SENSOR FAULT
PRG SWITCH CLOSED
DURING IGNITION
PRG SWITCH OPEN
DURING PURGE
RECIRC PUMP
FAILURE
REMOTE SETPT
SIGNAL FAULT
RESIDUAL
FLAME
SSOV
SWITCH OPEN
SSOV FAULT
DURING PURGE
SSOV FAULT
DURING IGN
SSOV FAULT
DURING RUN
SSOV RELAY
FAILURE
STEPPER MOTOR
FAILURE
WARNING EXHAUST
TEMP HIGH (Flashing)
OMM-0120_0A
GF-128-I
Table B-2. Fault Messages – Continued
The temperature measured by the Outdoor Air Sensor is out
of range.
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
The Purge Position Limit switch on the Air/Fuel Valve closed
during ignition.
The Purge Position Limit switch on the Air/Fuel Valve opened
during purge.
Internal Recirculation Pump has failed.
The Remote Setpoint signal is not present or is out of range.
The Flame signal was seen for more than 60 seconds during
standby.
The SSOV switch opened during standby.
The SSOV switch opened during purge.
The SSOV switch closed or failed to open during ignition.
The SSOV switch closed for more than 15 seconds during
Run.
A failure has been detected in one of the relays that control
the SSOV.
The Stepper Motor failed to move the Air/Fuel Valve to the
desired position.
The exhaust gas sensor is measuring high temperature.
Level #1: 180ºF (82.2°C), Flash WARNING
Level #2: 190ºF (87.8°C), Govern fire rate/flash WARNING
Level #3. 200ºF (93.3°C), Shut down unit (requires manual
reset)
AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, NY 10913
Phone: 800-526-0288
- INTERNATIONAL
FAULT DESCRIPTION
Page 139 of 174
11/15/2016