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Troubleshooting
Gas Valve / Control Model
Diagnostic
Code #
Description
Accessory
Module
WV4460E
(intermittent pilot
gas control)
Conn
Setback Control not connected to gas valve / control or
improperly wired together.
x x
2 Relay remains energized x
4 Weak pilot signal detected. x
6 Pilot signal detected out of sequence. x
18 Internal gas valve fault detected. x
20 Failed to light pilot. x
23
Pilot signal detected out of sequence (before it
should).
x
24 Pilot signal detected out of sequence (after it should). x
29 Relay failed to energize x
31 Upper tank sensor out of specification.
32 Lower tank sensor out of specification. x
63
Ignition successful, but flame lost during run cycle.
Soft lockout.
x
64 Internal gas valve fault detected. x
85
Soft Lockout due to maximum number of recycles
exceeded, last recycle was from pressure switch open
x
87 A manual reset is required due to Rollout Limit x
89 Equipment missing or improperly wired together. x
93 Internal gas valve fault detected. x
95
Flammable vapor sensor fault detected, see warning
label.
x
96
Flammable vapor sensor out of specification, possible
short.
x
143 Water heater tank leak detected. x
145
Leak sensor improperly installed or leak sensor
resistor missing.
x
T
he table, below, details the diagnostic codes that can be seen on the Setback
Control. Reference the Setback Control manual, p/n 238-47808-00, for more
details on this control.
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