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TROUBLESHOOTING
Problem Possible Causes & Solutions
Lights do not turn on. No power. Plug the unit in.
No power. If the outlet is damaged, try another
outlet on another circuit.
Yellow light blinks 1x Battery manufacturer’s rated capacity may
exceed charger's rating.
Battery may be damaged or old.
Yellow light blinks 2x Battery manufacturer’s rated capacity may
exceed charger's rating.
Battery may be damaged or old.
Yellow light blinks 3x Battery manufacturer's rated capacity may
exceed charger's rating.
Battery may be damaged or old.
Unit may be damaged if operation does not
resume after AC power is removed and reapplied.
Yellow light blinks 4x Battery voltage exceeds charger specified
operating range.
Yellow light blinks 5x Charger overheated. Remove power, wait ten
minutes and then reapply power.
Yellow & Green lights Battery may not be connected to the charger.
blink simultaneously Battery may be severely discharged (<6VDC).
Battery connections may be reversed.
Yellow & Green lights Charger is in the program mode. Handheld
alternately blink programmer is connected to the charger.
Disconnect the programmer from the charger.
MAINTENANCE
Cleaning:
Excess dirt or grime may be removed from the unit by wiping it with a cloth
dampened with water.
Curtis 1604/08 Manual
page 9