CardioQuip MCH-1000 Operators & Service Manual page 57

Symptom
System will not heat
System goes into an
overtemperature
condition
Cabinet Fan is not
operational
Line Isolation Monitor
(LIM) alarm or error
Cloudy or discolored
hoses
If the above table does not address the problem,
please contact CardioQuip Service for assistance:
Possible Cause
Blockage in plumbing circuit
Internal wiring continuity
Faulty heater or heater circuitry
Blockage in plumbing circuit
Faulty temperature control
circuitry
Faulty heater or heater circuitry
Internal wiring continuity
Blockage in fan assembly
Faulty fan
Faulty DC power supply
LIM is not rated for the power
requirements and/or power factor
of the MCH.
Excessive leakage current from the
MCH
Device may be contaminated or
exterior tubing may have
undergone physical changes.
www.cardioquip.com/service
Solution
Have qualified service personnel inspect
the internal tubing for kinks, bends or
other blockage.
Have qualified service personnel check
for an open in the Heater input wiring.
Contact CardioQuip Service.
Have qualified service personnel inspect
the internal tubing for kinks, bends or
other blockage.
Contact CardioQuip Service.
Contact CardioQuip Service.
Have qualified service personnel inspect
the fan circuitry located behind the
hinged access panel.
Have qualified service personnel inspect
the fan assembly for debris. The fan
should be closely inspected for damage if
debris is found.
Contact CardioQuip Service.
Contact CardioQuip Service.
Contact the LIM vendor.
Contact CardioQuip Service.
Immediately remove the device from
service and contact CardioQuip Customer
Service regarding servicing assistance.
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