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GE Zenith Controls 13
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ZTX Operation and Maintenance Manual (62
R-2000)
Troubleshooting
Symptom Possible Cause Corrective Action
Generator will not start
P timer has not lapsed See factory settings on Page 6
Generator control switch not in Auto Refer to generator instruction manual
Engine Start contact not wired
to generator
See Figure 3, Page 4
Starter battery is dead Refer to generator instruction manual
No fuel Refer to generator instruction manual
Transfer switch does not
transfer to Utility
T timer has not lapsed See factory settings on Page 6
Exercise in progress See Page 9
Utility breaker open or tripped Clear fault and reset
Utility voltage out of range
Wait for utility to return to acceptable
level. See factory settings on Page 6.
Control harness unplugged
With all power disconnected,
reconnect harness
Transfer switch does not
transfer to Generator
W timer has not lapsed See factory settings on Page 6
Generator breaker open or tripped Refer to generator instruction manual
Generator voltage out of range Refer to generator instruction manual
Control harness unplugged
With all power disconnected,
reconnect harness
Generator will not stop
U timer has not lapsed See factory settings on Page 6
Exercise in progress See page 9
Engine control switch in run position Refer to generator instruction manual
All LEDs off
Keypad cable unplugged
With all power disconnected,
reconnect harness
Sources unavailable and/or source
breakers tripped or open
Clear fault and reset breakers and/or
check source availability
Service must be performed by qualified personnel.
DANGER
HAZARDOUS VOLTAGE
(Can Cause Severe Injury or Death)
Turn OFF all power before installation, adjustment, or removal of transfer switch or any of its components.