Honeywell 7800 Series Product Data page 27

Fault Code System Failure
Fault 103 Postpurge configu-
*Postpurge ration in EEPROM
EEPROM is not initialized or is
error* corrupted.
Fault 104
*Valve
Invalid valve proving
proving (VP)
configuration detected.
configura-
tion error*
Fault 105 Relay Module self-test
*Call Service* failure.
Fault 106
*Relay mod- Relay Module self-test
ule self-test failure.
failure*
Relay Module flame
Fault 107
signal crosscheck
*Call Service*
failure.
Fault 108
Unused fault
*Unused*
Fault 109 Negative cycle test
*Negative failed, earth ground
AC cycle absent or line voltage
detected* phasing improper.
Fault 110
*Locked
The configuration
jumpers do
jumpers differ from
not match
stored values.
configura-
tion*
Fault 111 Relay Module config-
*Bad jumper uration jumper test
reading* failure.
Fault
Relay Module self-test
112–126
failure.
*Call Service*
Safety relay feedback
Fault 127
circuit was in an im-
*Call Service*
proper state.
Table 5. Hold and Fault Message Summary.
7800 SERIESS7800A2142 4-Line LCD Keyboard Display Module
Enter Setup and re-commission Postpurge settings.
If the fault persists, replace the relay module.
Enter Setup and re-commission Valve proving settings.
If the fault persists, replace the relay module.
Reset and sequence the relay module.
If the fault reappears, remove power from the relay module
and
reapply the power; reset and sequence the relay module.
If the fault persists, replace the relay module.
-
-
Make sure a good earth ground connection exists at the in-
stallation site and all earth ground connections are complete
and correct.
Make sure the relay module and all loads operate at the same
line voltage phase.
Reset and sequence the relay module.
If the fault persists, replace the relay module.
Inspect the jumper connections. Make sure they match
the original selection and clipped jumpers are completely
removed.
Reset and sequence the relay module.
If the fault persists, replace the relay module.
Configuration jumpers must be selected prior to 200 hours
of operation. If configuration jumpers are changed after 200
hours of operation, lockout 110 occurs. Relay module cannot
be reset and must be replaced.
Inspect the jumper connections. Make sure they match
the original selection and clipped jumpers are completely
removed.
Reset and sequence the relay module.
If the fault persists, replace the relay module.
Reset and sequence the relay module.
If the fault persists, replace the relay module
Reset and sequence the relay module.
If the fault persists, replace the relay module.
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