Cleaver-Brooks CB780 - Page 56

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TABLE 4—FAULT MESSAGE AND RECOMMENDED TROUBLESHOOTING (Continued).
Fault Code System Failure Recommended Troubleshooting
Fault 119
*Call Service*
Relay Module self-test failure. 1. Reset and sequence the CB 780/CB 784.
2. If fault persists, replace the relay module.
Fault 120
*Call Service*
Relay Module self-test failure. 1. Reset and sequence the CB 780/CB 784.
2. If fault persists, replace the relay module.
Fault 121
*Call Service*
Relay Module self-test failure. 1. Reset and sequence the CB 780/CB 784.
2. If fault persists, replace the relay module.
Fault 122
*Call Service*
Relay Module self-test failure. 1. Reset and sequence the CB 780/CB 784.
2. If fault persists, replace the relay module.
Fault 123
*Call Service*
Relay Module self-test failure. 1. Reset and sequence the CB 780/CB 784.
2. If fault persists, replace the relay module.
Fault 125
*Call Service*
Relay Module self-test failure. 1. Reset and sequence the CB 780/CB 784.
2. If fault persists, replace the relay module.
Fault 126
*Call Service*
Relay Module self-test failure. 1. Reset and sequence the CB 780/CB 784.
2. If fault persists, replace the relay module.
Fault 127
*Call Service*
Safety relay feedback circuit
was in an improper state.
1. Reset and sequence the CB 780/CB 784.
2. If fault persists, replace the relay module.