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6. Operation, Repair, and Troubleshooting
6-1
CHARGER AND PUMP OPERATION
The 442 backup pump will activate when the sump water level is high enough to actuate the "Pump On" float switch. The 442 back-
up pump run time depends on the Amp-hour capacity of the battery, the battery charge level, whether or not the charger has AC pow-
er, and the required equivalent vertical pumping distance.
Extended periods of operation (power outage, primary pump failure, etc.) may exhaust the battery. If this occurs, the charger will
recharge the battery when the period of extended operation ends. Recharge time from a "dead battery" state will be a minimum of 12
hours.
6-2
INTERFACE LCD NOTIFICATIONS & MEANINGS
INTERFACE LCD NOTIFICATIONS
Explanation: Standard LCD home screen, shown when there are no faults or notifi-
cations.
Explanation: LCD home screen when system has faults and / or notifications.
Number of message can be greater than 1.
Explanation: Standard LCD notification, not directly indicative of a problem.
Denotes that 12V battery is being charged.
Explanation: Standard LCD notification, will display after successful charging of
12V battery.
Explanation: Standard LCD notification, when 442 battery backup pump is
running.
Probable Symptom: High water condition in sump.
Check: Verify high water condition. Check all wiring connections. Potential causes:
failed (primary or secondary) pump, float switch hang-up, low or defective battery.
Probable Symptom: Pump does not run.
Check: All wiring connections and pump power cord. It is possible that the pump
motor has failed.
Check: Check all wiring connections and breaker for the circuit the battery charger
is plugged in to. This notification will also display if the home has a power outage.
©Copyright 2016 Liberty Pumps Inc. All rights reserved.
TROUBLESHOOTING/EXPLANATION
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