Bradford-White Corp PE440T*F(BN,SX) Manual De Usuario

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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 
Weak pilot signal detected. 
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 
Relay failed to energize 
31 
Upper tank sensor out of specification. 
32 
Lower tank sensor out of specification. 
63
Ignition successful, but flame lost during run cycle.  
Soft lockout. 
64 
Internal gas valve fault detected. 
85
Soft Lockout due to maximum number of recycles 
exceeded, 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. 
x  
The 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. 
15