MAHLE ROU250, Operation Manual, Page: 10 / 20

en
|
10
|
Operation
ROU250
7. Troubleshooting
This section is a list of potential problems and solutions. If
the solution listed fails to correct the problem, call the
manufacturer at the numbers and address printed on the
back cover of this manual. Please have the model
number, and serial number of your recovery machine
ready. The serial number is located on the silver tag on
the front of the machine.
Problem Cause/Solution
Fan Does not run
when power switch is
on
•
Supply voltage incorrect / check power
supply for correct voltage.
•
Circuit breaker has tripped / reset circuit
breaker.
•
Power supply cord not attached / plug in
power cord.
Fan runs but
compressor does not
start
•
Machine is in high pressure shutdown /
Reduce pressure and press “High
Pressure Switch”.
•
Output pressure is too high / Rotate
INPUT valve and MODE valve to PURGE,
then rotate INPUT valve back to OPEN
and MODE valve to RECOVER.
•
Failure in motor, or in other electrical
components / Factory service is required
Compressor starts
but cuts off within a
few minutes
•
MODE valve is in PURGE position /
Rotate MODE valve to RECOVER.
•
Output valve is not open and high
pressure activates / Rotate OUTPUT
valve to OPEN.
•
Recovery tank valve is not open / Open
recovery tank valve.
Recovery process
too slow
•
Head pressure too high / Reduce tank
temperature
•
Compressor seals are worn / Factory
service required.
Recovery machine
does not pull down
into a vacuum
•
Connecting hoses are loose / Tighten the
connecting hoses
•
Leakage in unit / Factory service required