Honeywell 7800 Series Installation Instructions Manual page 24

RM7838B, RM7838C 7800 SERIES RELAY MODULES
Table 9. Blinking Fault Codes and Recommended Troubleshooting. (Continued)
Blink Code System Failure
Code 4-3 Flame not sensed, or
*Flame sensed when it should
Amplifier be on or off.
Problem*
Code 4-4 The configuration
*Configuration jumpers differ from the
Jumper sample taken at
Problem* startup.
Code 5-1 Preignition Interlock
*Preignition fault.
Interlock*
Code 5-2 Either High Fire Switch
*High Fire Sw. or Low Fire Switch
or Low Fire failure.
Sw.*
Code 5-3 Man-Open Switch,
*Man-Open Start Switch or Control
Sw.; Start Sw. On in the wrong
or Control On* operational state.
Code 6-1 Relay Module self-test
*Internal failure.
Faults*
Code 6-2 Relay Module Self-Test
*Internal failure.
Faults*
Code 6-3 Fault with special OEM
*Device input circuits.
Specific*
Code 6-4 Unused at this time.
*Accessory
Fault*
Code 7-7 Unused at this time.
*Unused*
32-00211—01
Recommended Troubleshooting
1. Check wiring; correct any errors.
2. Make sure the flame amplifier and flame detector are compatible.
3. Remove the flame amplifier and inspect the connections. Reseat the
amplifier.
4. Reset and sequence the relay module.
5. If the code reappears, replace the flame amplifier and/or the flame detec-
tor.
6. If the fault persists, replace the relay module.
1. Inspect the jumper connections. Make sure the clipped jumpers were
completely removed.
2. Reset and sequence the relay module.
3. If the fault persists, replace the relay module.
1. Check wiring and correct any errors.
2. Check Preignition Interlock switches to assure proper functioning.
3. Check fuel valve operation.
4. Reset and sequence the relay module; monitor the Preignition Interlock
status.
5. If the fault persists, replace the relay module.
1. Check wiring and correct any errors.
2. Reset and sequence the relay module.
3. Use manual motor potentiometer to drive the motor open and closed. Ver-
ify at motor switch that the end switches are operating properly. Use
RUN/TEST switch if manual potentiometer is not available.
4. Reset and sequence the relay module.
5. If the fault persists, replace the relay module.
1. Check wiring and correct any errors.
2. Make sure that the Manual Open Valve Switch, Start Switch and Control
are operating properly.
3. Stat Switch held "On" too long.
4. Reset and sequence the relay module.
5. Reset and sequence the relay module. If the fault persists, replace the
relay module (RM7838A1014; RM7838B1013 or RM7838C1004 only).
1. Reset and sequence the relay module.
2. If fault reappears, remove power from the device, reapply power, then reset
and sequence the relay module.
3. If the fault persists, replace the relay module.
1. Reset and sequence the relay module.
2. If fault reappears, remove power from the device, reapply power, then reset
and sequence the relay module.
3. If fault does not repeat on the next cycle, check for electrical noise being
copied into the relay module through the external loads or possibly an
electrical grounding issue.
4. If the fault persists, replace the relay module.
1. Check wiring and operation of special OEM inputs.
2. Reset and sequence the relay module.
3. If fault reappears, remove power from the device, reapply power, then reset
and sequence the relay module.
4. If the fault does not repeat on the next cycle, check for electrical noise
being copied into the relay module through the external loads or possibly
an electrical grounding issue.
5. If the fault persists, replace the relay module.
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