QM-7 SERIES SERVICE MANUAL
PAGE 4.3
JANUARY 2012
SUNRISE MEDICAL
Section 4
6. Verify that battery voltage is present at each
connector leading to the batteries (
fi
gure. 4.3.1).
Battery Voltage Tests
Note: For access to batteries, refer to beginning of Section 7 (Battery Access/ removal)
fig. 4.3.1
8. If the above tests pass, replace the wiring
harness leading from the batteries to the control
module. Retest as necessary.
.
7. If battery voltage is not present, as shown
in (figure 4.3.2)use a Multimeter and measure
for continuity across the fusible links connected
to positive (+) terminal of each battery (
fi
gure.
4.3.2). Normal resistance is less than 1 ohm.
If open, replace the defective battery harness.
Retest as necessary. .
fig. 4.3.2
Note: If replacing the power harness, It is important to position the lead as shown below
120
mm
9. When replacing the harness it becomes
necessary to cut the cable tie to fully remove
the harness from the chair. Please note power
harness plugin (figure 4.3.3) and leave 120mm
from top of Battery box. You must then secure
the wire with a cable tie where shown on (figure
4.3.4) this will protect the cable from damage, and
allow enough slack to plug into the batteries.
fig. 4.3.3
Cable Tie
fig. 4.3.4
