Hubbell Diesel Engine Fire Pump Controller LX3000 - Manual (Page 16)

Troubleshooting Chart
Symptom Possible cause Solution
All charger LED’s off,
cabinet CHARGER FAILURE
indicating light on 1) No AC power
2) Charger AC fuse blown
1) Check for 120 V Charger power
2) Hubbell recommends that the
charger be returned for repair
Charge Current LED’s scroll, 6
cabinet CHARGER FAILURE
indicating light on
1) Battery connections
reversed,
2) Charger DC fuse blown
1) Check battery connections
2) Hubbell recommends that the
charger be returned for repair
6
The charger LED’s scroll in order as follows: Charge Current LED’s 10 A to 2 A, Charging, Ready.
Troubleshooting Chart (Continued)
Symptom Possible cause Solution
Charging LED blinking, Battery voltage high due to
Engine charging circuit
supplying charging voltage
above control charger value. Troubleshoot engine charging
circuit
10 A Charge Current LED
flashing Charger stopped charging due
to high temperature Allow charger time to cool
Improve ventilation in area
Ready LED does not come on,
Batteries do not charge fully 1) Battery capacity too high
2) Excessive load on batteries
3) Short to ground
4) Battery terminals corroded
5) Battery has faulty cell
1) Check battery rating, must be
less than 200 Ah
2) Verify load is normal
3) Clear the short
4) Clean battery terminals
5) Check battery/Replace
Contact the local Hubbell representative to request additional information, parts, or drawings.