DAF 95XF. Manual — part 226
5
Contents
DIAGNOSIS
1
CONTENTS
Page
Date
1.
BATTERIES
1-1
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1.1
Fault-finding table
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2.
TROUBLESHOOTING
2-1
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2.1
Short circuits
2-2
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2.2
Open circuits
2-3
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2.3
Earthing problems
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5
DIAGNOSIS
Contents
2
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5
Batteries
DIAGNOSIS
1-1
1. BATTERIES
1.1 FAULT-FINDING TABLE
FAULT: NEW BATTERY GETS QUITE HOT DURING CHARGING
Possible cause
Remedy
Inadequate formation because of bad
conservation or long-term (moist) storage
Allow battery to cool down
Charge properly
Check density
FAULT: ELECTROLYTE LEVEL TOO LOW
Possible cause
Remedy
Leaking battery box
Replace battery
Excessive gas production caused by
overcharging
Check/repair charger
FAULT: BATTERY ACID SPILLS FROM THE PLUG HOLES
Possible cause
Remedy
Battery level exceeds capacity
Siphon off liquid
Overcharging
Check charger and repair, if necessary
FAULT: DENSITY IS TOO LOW (
<1,240)
BAD STARTING
Possible cause
Remedy
Power user left on
Charge battery
Insufficient charge
Check/repair charger
Short circuit in the charging circuit
Check charging circuit
FAULT: DENSITY IS TOO HIGH (
<1,290)
Possible cause
Remedy
Topped up with acid instead of distilled water
Siphon off liquid and top up with distilled water
If necessary, repeat after mixing (charging)
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DIAGNOSIS
Batteries
1-2
FAULT: BAD STARTING
BAD STARTING TEST
POWER FAILS UNDER LOAD
Possible cause
Remedy
-
Discharged battery
Charge battery
-
Worn battery (corroded plates)
Replace battery
-
Defective battery (“dead cell”)
Replace battery
-
Battery too small
Install battery with a larger capacity
-
Sulphated battery (plates are hard)
Replace battery
FAULT: BURNT-IN BATTERY TERMINALS
Possible cause
Remedy
-
Wire clamps not securely fitted or bad
contact
Have battery terminals repaired, securely fit wire
clamps, and replace clamps, if necessary
FAULT: EXCESSIVE BUBBLING IN 1 OR 2 CELLS DURING HIGH LOADS
(STARTING OR STARTING TEST)
Possible cause
Remedy
-
Defective cells
Replace battery
-
Leaking partition
Replace battery
FAULT: BATTERY DISCHARGES QUICKLY (CANNOT CONTAIN ITS CHARGE)
Possible cause
Remedy
-
Insufficient charge
Check charge, is charging time (driving time)
sufficient?
-
Short circuit in the charging circuit
Check charging circuit
-
Major self-discharging, e.g. because of
contamination
Clean battery
-
Battery sulphated (on inspection, plates
prove hard and possibly have white
appearance)
Replace battery
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