RM7800L1087; RM7840G1022,L1075; EC7840L1014 RELAY MODULES WITH VALVE PROVING
25 66-1162—2
Code 5-3
*Man-Open
Sw.; Start Sw.
or Control On*
Man-Open Switch, Start
Switch or Control On in
the wrong operational
state.
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).
Code 6-1
*Internal Faults*
Relay Module self-test
failure.
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.
Code 6-2
*Internal Faults*
Relay Module Self-Test
failure.
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.
Code 6-3
*Device
Specific*
Fault with special OEM
input circuits.
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.
Code 6-4
*Accessory
Fault*
VPS setup. 1. Make sure Relay Module VP is programmed.
2. T6 and T17 powered at the same time—correct wiring.
3. Reset control if fault persists. Replace relay module.
Code 7-7
*Unused*
Unused at this time. —
Table 10. Blinking Fault Codes and Recommended Troubleshooting. (Continued)
Blink Code System Failure Recommended Troubleshooting
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