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SECTION 3—MAINTENANCE AND TROUBLESHOOTING
MA90 Series
26
Part No 1148139
No power
Control unit off
Check power source and turn on
unit
Power cord disconnected
Connect power cord to the power
source
No power in the power source
Check power source has power
power and turn it On
Power outage
Wait till the power source has
power
Blown fuse
Replace blown fuse with an
equivalent fuse
PROBLEM
CAUSE
SOLUTION