DVS/GSE GSE DVS Field Service Manual
09030-78B 12 of 49
Webasto Charging Systems, Inc.
2.7.3 Problem Symptoms and Action Key
Table 1. Symptoms and Action Key
Symptom Probable cause(s) Action See
No Display or LED’s No AC to charger
Miswiring of AC connections
120VAC Input Fuse Blown
C)
C)
C) 3.4.4
One or more LED’s do not
illuminate during lamp test
Burnt out LED GG)
Display Illegible Noisy Environment
Bad Control Board
Corrosion on internal components
Display connector not properly seated
D)
B)
DD)
GG)
3.1.4.9
3.1.4.10
Control panel not responding
to input
Bad control board
Noisy Environment
Damaged membrane switch
B)
D)
GG)
3.1.4.9
3.1.4.1
Charger does not start charge
when battery connected
Output connector not completely connected
BMID is bad or reading out of range
Pilot line disconnected
Bad Control board
Loose or incorrect signal wiring
Corrosion on the signal pins
Battery over-discharged
E)
F)
E)
B)
E)
DD)
J)
3.3.1
3.2.4
3.1.4.9
Charger stops charge before
complete
Battery overheat
Loss of communication line
Bad cell within pack
Algorithm/capacity mismatch
Charger overheating
Incorrect BMID configuration
G),O)
E)
H)
I)
Z)
I)
3.3.1
Charger works intermittently Loose input or output wiring
Loose BMID connections
Low local utility voltage
Corrosion of internal components
E)
E), F)
CC)
DD)
3.3.1
3.3.1
Battery takes too long to
charge
Algorithm/capacity mismatch
Bad BMID
Shorted or worn BMID wire
Loose power cable or battery interconnect
SOC mismatch within pack
Battery too hot when charge started
Battery brought in at extremely low SOC
I)
F)
E)
P)
H)
G), O)
J)
3.2.4
Pack failing to equalize BMID misprogrammed I)
Output cables or Connector
too warm during charge
Cable undersized for length and current
Connector underrated for current
Bad crimp or connection within connector
Short in output cables
Bad cell within pack
M)
M)
M)
E)
H)
Battery doesn’t last full shift Algorithm/capacity mismatch
Incorrect equalization schedule
I)
N)
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