Diagnostic Codes - Bradford White 238-47808-00A Installation And Operation Manual

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 #
Setback Control not connected to gas valve / control or
Conn
improperly wired together.
2 Pressure switch failed to open (stuck closed).
4 Weak pilot signal detected.
6 Pilot signal detected out of sequence.
18 Internal gas valve fault detected.
20 Failed to light pilot.
23 Pilot signal detected out of sequence (before it should).
24 Pilot signal detected out of sequence (after it should).
29 Pressure switch failed to close (stuck open).
31 Upper tank sensor out of specification.
32 Lower tank sensor out of specification.
55 Damper failed to close (stuck open).
56 Damper failed to open (stuck closed).
False ground in pilot assembly detected. Replace pilot
57
assembly.
58 Internal gas valve fault detected.
59 Line voltage out of acceptable range.
60 Wiring issue, transformer out of phase.
61 Internal gas valve fault detected.
62 Ignition failed, maximum number of tries. Soft lockout.
63 Ignition successful, but flame lost during run cycle. Soft lockout.
64 Internal gas valve fault detected.
65 Excessive tank temperature.
Soft Lockout due to maximum number of recycles exceeded,
85
last recycle was from pressure switch open
87 A manual reset is required due to Rollout Limit
89 Equipment missing or improperly wired together.
93 Internal gas valve fault detected.
95 Flammable vapor sensor fault detected, see warning label.
96 Flammable vapor sensor out of specification, possible short.
143 Water heater tank leak detected.
145 Leak sensor improperly installed or leak sensor resistor missing.
Description
-65-
Gas Valve / Control Model
Accessory
S9360B S9380B
Module
x x x
x x
x x
x x
x x x
x x
x x
x x
x x
x x
x x
x x
x x
x x
x x
x x
x x
x x
x x
x x
x x
x
x
x

Diagnostic Codes

WV8840 WV4460E
(standing (intermittent
pilot gas pilot gas
control) control)
x x
x
x
x
x
x
x
x
x
x x
x
x
x
x
x x
x
x