Diagnostic codes – Bradford White ACCESSORY PACKAGES User Manual
Page 65
Diagnostic Codes
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In this section, the table details what the diagnostic codes on the Setback Control mean. The
diagnostic codes that can be displayed are different and depend on the gas valve / control that
is connected to the Setback Control.
Diagnostic
Code #
Description
S9360B S9380B
Accessory
Module
WV8840
(standing
pilot gas
control)
WV4460E
(intermittent
pilot gas
control)
Conn
Setback Control not connected to gas valve / control or
improperly wired together.
x
x
x
x
x
2
Pressure switch failed to open (stuck closed).
x
x
x
4
Weak pilot signal detected.
x
x
x
6
Pilot signal detected out of sequence.
x
x
x
18
Internal gas valve fault detected.
x
x
x
x
20
Failed to light pilot.
x
23
Pilot signal detected out of sequence (before it should).
x
x
x
24
Pilot signal detected out of sequence (after it should).
x
x
x
29
Pressure switch failed to close (stuck open). x
x
x
31
Upper tank sensor out of specification.
x
x
32
Lower tank sensor out of specification.
x
x
x
x
55
Damper failed to close (stuck open).
x
x
56
Damper failed to open (stuck closed).
x
x
57
False ground in pilot assembly detected. Replace pilot
assembly.
x
x
58
Internal gas valve fault detected.
x
x
59
Line voltage out of acceptable range.
x
x
60
Wiring issue, transformer out of phase.
x
x
61
Internal gas valve fault detected.
x
x
62
Ignition failed, maximum number of tries. Soft lockout.
x
x
63
Ignition successful, but flame lost during run cycle. Soft lockout.
x
x
x
64
Internal gas valve fault detected.
x
x
x
65
Excessive tank temperature.
x
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
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
Gas Valve / Control Model