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7.4 Control system trouble
Trouble
Cause
Solution
Main breaker cannot be turn to
on
1.The main breaker position is
between on and off
1.Once turn the breaker to off,
turn it to on
2.Short circuit on the load
2.Check and repair the load
circuit
Control module cannot run
1.Control module cable is
disconnected to the battery
1.Connect the module cable to
the battery
2.Battery power is insufficient
2.Charge the battery with the
utility power
3.The fuse is damaged
3.Change the fuse
Voltage drops quickly when
connecting to the load
1.Loads total exceeds the rated
current
1. Decrease the loads to meet
the rated output
2.Loads sharing to each terminal
is unbalanced
2.Balance the loads sharing to
each terminal
3.AVR of alternator is defective
3.Check AVR and change it if
necessary
4.Use wrong frequency
4.Adjust the frequency to the
load frequency
Frequency is stable, but voltage
is unstable
1. AVR of alternator is defective
1.Check AVR and change it if
necessary
After connecting to the load,
voltage and frequency is stable,
but current is unstable
1.Customer load is unstable
1.Check and adjust the customer
load
Voltage cannot go up to the rated
value
1.AVR of alternator is defective
1.Check AVR and change it if
necessary
2.Frequency is low
2.Adjust frequency as required
Voltage exceeds the rated value
1. AVR of alternator is defective
1.Check AVR and change it if
necessary
Summary of Contents for 1500RPM Series
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