User manual

Maintenance
The transfer switch is designed to be maintenance free under
normal usage. However, inspection and maintenance checks
should be made on a regular basis. Maintenance will consist
mainly of keeping the transfer switch clean.
Visual inspections should be done at least once a month.
Accesstotransferswitchmustnotbeobstructed.Keep
92 cm clearance around transfer switch. Check for an
accumulation of dirt, moisture and/or corrosion on and
around the enclosure, loose parts/hardware, cracks and/
or discoloration to insulation, and damaged or discolored
components.
Exercise the transfer switch at least once every three months
as described in the previous section Testing the Automatic
Transfer Switch unless a power outage occurs and Home
Generator System has gone through automatic sequence.
Allow generator to run for at least 30 minutes.
Contact a licensed electrical professional to inspect and clean
the inside of your transfer switch at least once a year.
Reinstall barrier after service or maintenance.
Problem Cause Correction
Automatic transfer switch does not
transfer to generator
1. Generator breaker open.
2. Generator voltage not acceptable.
1. Reset generator circuit breaker.
2. Refer to generator manual.
Automatic transfer switch does not
transfer to utility
1. Service disconnect breaker open.
2. Utility voltage not acceptable.
1. Reset service disconnect breaker.
2. Wait for utility voltage to return to
normal.
Generator is still running after switch
transfers to utility power
Engine cool down period. Engine should stop after 1 minute.
Generator or supervised loads (air
conditioner, etc.) are operating
improperly when generator is supplying
power
1. A-A or B-B contacts not operating
correctly.
2. Too much load on generator.
3. Current transformer not connected.
4. Broken current transformer.
1. Check A-A or B-B contacts for
proper operation and/or check
control wiring to external load.
2. Decrease load to generator.
3. Plug CT connectors into control
module.
4. Contact local service center.
Generator is still running after utility
power is restored
1. Minimum engine run time has not
elapsed.
2. Fuse(s) in transfer switch is
defective.
1. Wait five minutes for transfer switch
to retransfer to utility power.
2. Check fuse(s) and replace if
necessary. Replace with fuse of same
type and rating, 600 volt, 2 amp.
Troubleshooting