DVS Fast Charging System
Operation and Maintenance Manual
09910-W-03-02
Page
19 of 27
Webasto Charging Systems, Inc.
Table 7.1.
Problem Symptoms and Action Key
Symptom
Probable Cause(s)
Action
No Display or LED’s on
Power Station
No AC to charger
Miswiring of AC input
Input Fuse Blown on 120VAC source
D,CC
D,CC
C
One or more LED’s do not
illuminate during lamp test
Burned out LED
II
Display illegible
Display connector not properly seated
Corrosion on internal components
Failed Control Board
II
EE
A
Control panel not responding
to input
Damaged membrane switch
Failed Control Board
II
A
Charger does not start charge
when battery connected
Output connector not completely connected
Pilot line disconnected
Loose or incorrect signal wiring
Corrosion on the signal pins
Battery over discharged
BMID is bad or reading out of range
Failed Control Board
OO
F
F, OO
EE
K
G
A
Charger stops charge before
complete
Battery overheated
Loss of communication with BMID
Bad cell within pack
Charger overheating
Incorrect Charger configuration
H, P
F, OO
I
AA
J
Charger works intermittently Loose input or output wiring
Loose BMID connections
Low local utility voltage
Corrosion of internal components
F, OO
F, G
DD
EE
Battery takes too long to
charge
Incorrect BMID configuration
Shorted or worn BMID wiring
Loose power cable or battery interconnect
SOC mismatch within pack
Battery too hot when charge started
Battery brought in at extremely low SOC
Bad BMID
J
F
Q
I
H, P
K
G
Pack failing to equalize
Incorrect BMID configuration
J
Output cables or connector
too warm during charge
Bad crimp or connection within connector
Cable wrong gauge
Connector underrated for current
Short in output cables
Bad cell within pack
N
N
N
F, OO
I
