Nilfisk-Advance Advance Retriever 2060 Service Manual page 39

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TROUBLESHOOTING GUIDE (CONTINUED)
SYMPTOM TWO
Impeller does
Verify brooms are
If optional temperature
switch is installed, check
if indicator H5 is lit. See
operators manual.
Check for +12vdc at
terminal 3 on S7 with
key on and S7 in fan
Access L2 and check
wht/red (+) and brn/blk (-)
wires for 12vdc with key
on and S7 in fan position.
Check for oil flow to
impeller motor.
Check operation of
impeller motor and
fan. Repair or replace
not operate.
running.
Yes
Yes
position.
Yes
Yes
Yes
as needed.
DUST CONTROL SYSTEM
See symptom 3 in
hydraulic troubleshoot-
No
ing chart.
Replace S7.
No
Check wiring to L2. If
optional temperature
switch is installed check
No
S6. Repair or replace
as needed.
Replace L2.
No
FORM NO. 56043051 / Retriever ™ 2060 - 37