POWERDRIVE 3 – MODEL 26580
Test Procedures
Page 7-22
2008-2011 Domestic Battery Charger Maintenance and Service Manual
7
3. Reverse the test probes and check the DC plug again
(Figure 7-21, Page 7-22)
. The multimeter should
indicate approximately 922 mV.
4. If multimeter readings are incorrect, check the battery charger wiring
(Figure 7-9, Page 7-11)
.
5. If the multimeter indicates an overload (no continuity) in both directions, and the charger fuse is not
blown, individually check all connections and the continuity of the DC cord and ammeter.
See Test Pro-
cedure 8 – Continuity on page 7-24.
Also check the diodes on the heatsink.
See Test Procedure 4 –
Diodes on page 7-20.
6. If the multimeter indicates a voltage reading in both directions, a short circuit exists in the charger DC cir-
cuit, usually caused by failed diodes.
See Test Procedure 4 – Diodes on page 7-20.
If diodes have not
failed, check the DC cord for a short circuit.
See Test Procedure 8 – Continuity on page 7-24.
Figure 7-20 DC Plug Test
Figure 7-21 DC Plug Test – Probes Reversed
2m
20
m
200
m
2k
200
200
200
200
20
2
200
m
500
20k
200k
2000
k
1000
OFF
WAVETEK
5XL
V
V
V
A
!
!
COM
200nA
MAX
1000 ---
750V
FUSED
POSITIVE PIN
NEGATIVE PIN
PULL HERE
PULL HERE
PULL HERE
PULL HERE
DIODE (
ç
) SETTING
2m
20
m
200
m
2k
200
200
200
200
20
2
200
m
500
20k
200k
2000
k
1000
OFF
WAVETEK
5XL
V
V
V
A
!
!
COM
200nA
MAX
1000 ---
750V
FUSED
POSITIVE PIN
NEGATIVE PIN
PULL HERE
PULL HERE
PULL HERE
PULL HERE
DIODE (
ç
) SETTING
Summary of Contents for 2008-2011
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