F–12
NON-FUNCTIONING DEPTH INDICATOR
Possible CPU Board malfunction or defective indicating strip. Use
manual override or recalibrate depth indicator.
GAUGE INDICATES SHORT BATTERY LIFE AFTER
RECHARGING
NiCad batteries may be charged up to 100 full charge/discharge
cycles. Batteries may be reaching end of life cycle-replace.
Charger/adapter may not be supplying the full voltage to the batteries;
check the ac outlet and the dc output (12 V dc).
Check that you are using the correct charger.
The ac charger may be defective. To check, use the dc charger to
charge the batteries.
Remove any loose screws or foreign objects from the gauge interior
that may cause an electrical short to ground.
CPU or baseboard malfunction.
BATTERY LIFE HOURS ARE INCORRECT
Charge the gauge overnight (16 hours).
Check battery voltage. If battery voltage is equal or greater than 7.0
volts, manually enter the correct hour value. With a new gauge after a
full 16-hour charge, enter a battery life of 200. With age the battery
life will decrease, so enter 200 hours and monitor the gauge until
<Batteries low!> is displayed. After the next recharge, enter the new
battery life (200 - battery low life). The operator may leave the gauge
in voltage mode for future reference. If battery voltage is less than 7.0
volts, change the mode to the elapsed time since last charge. Monitor
gauge until <Batteries low!> is displayed. If the time is too low (less
than 16 hours), replace the batteries.
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