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Troubleshooting
SiBE811001EB
175
CONVENI-PACK
8.4.7 Power Supply Voltage Abnormality
Error Code
A8
Applicable
Models
FXMQ
Method of Error
Detection
Detect error checking the input voltage of fan motor.
Error Decision
Conditions
When the input voltage of fan motor is 150V or less, or 386V or more.
Supposed
Causes
Power-supply voltage error
Connection defect on signal line
Wiring defect
Instantaneous blackout, others
Troubleshooting
Caution
Be sure to turn off the power switch before connecting or disconnecting connectors, or parts may be damaged.
NO
YES
YES
Check and correct each wiring.
There are problems
on the condition of
power supply
described above.
"
A8
"
Reoccurrence
of error.
Check the condition of the power
supply.
Check if power-supply voltage is
200V ± 10%.
Check if there is power open
phase or faulty wiring.
Check if power-supply voltage
unbalance is within 6V.
Correct any fault.
It is possible to have external
factor, such as brownout and
instantaneous blackout.
NO