GE Monogram Zenith Controls, ZTX manual Troubleshooting, Symptom Possible Cause Corrective Action

Troubleshooting

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.

Service must be performed by qualified personnel.

Symptom	Possible Cause	Corrective Action
	P timer has not lapsed	See factory settings on Page 6
	Generator control switch not in Auto	Refer to generator instruction manual
Generator will not start	Engine Start contact not wired	See Figure 3, Page 4
	to generator
	Starter battery is dead	Refer to generator instruction manual
	No fuel	Refer to generator instruction manual
	T timer has not lapsed	See factory settings on Page 6
	Exercise in progress	See Page 9
Transfer switch does not	Utility breaker open or tripped	Clear fault and reset
transfer to Utility		Wait for utility to return to acceptable
	Utility voltage out of range
		level. See factory settings on Page 6.
	Control harness unplugged	With all power disconnected,
		reconnect harness
	W timer has not lapsed	See factory settings on Page 6
	Generator breaker open or tripped	Refer to generator instruction manual
Transfer switch does not
	Generator voltage out of range	Refer to generator instruction manual
transfer to Generator
	Control harness unplugged	With all power disconnected,
		reconnect harness
	U timer has not lapsed	See factory settings on Page 6
Generator will not stop	Exercise in progress	See page 9
	Engine control switch in run position	Refer to generator instruction manual
	Keypad cable unplugged	With all power disconnected,
		reconnect harness
All LEDs off
	Sources unavailable and/or source	Clear fault and reset breakers and/or
	breakers tripped or open	check source availability

■ GE Zenith Controls ZTX Operation and Maintenance Manual (62R-2000) 13 ■