SYMPTOM
PROBABLE CAUSES
ACTION
STEPS
No Display And
No LED’s
(1) No AC Voltage To Charger
(2) Charger Input Fuses Are Blown
(3) Bad Harness/Cable Connection
(4) Bad Control Board
(5) Bad Internal Charger Primary Board
1
2
3
4
5
No Keypad
Response
(1) Keypad Not Connected
(2) Keypad Connected Improperly
(3) Bad Control Board
(4) Bad Keypad
6
6
4
7
Bad LED Test
(1) Bad Control Board
4
Display Illegible/
Control Not Responding
(1) Electrically Noisy Environment
(2) Low Input Voltage
(3) Bad Control Board
(4) Display Improperly Connected
8
9
4
10
Charger Doesn’t Respond
When A Battery Is Connected
(1) Output Fuse Is Bad
(2) Bad Harness/Cable Connection
(3) Bad Control Board
(4) Output Cables Are Reversed
(5) Bad Output Connector
(6) Improper Battery Voltage Jumper Setting
11
3
4
12
13
14
Unit Smells Hot
(1) Inadequate Ventilation
(2) Ambient Is Too Hot
(3) Bad Harness/Cable Connection
(4) Bad Control Board
(5) Wrong Amp Hour Jumper
(6) Charger Fans Not Operating
(7) Bad Heat Sink Thermostat
(8) Bad Internal Charger Power Board
15
16
3
4
17
18
19
5
TROUBLESHOOTING
Troubleshooting Table
September 30, 2011 9-1
193111-095
TROUBLESHOOTING
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