Medivance Arctic Sun 2000, Service Manual

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38
Table 6. 3
General Troubleshooting Guide
Conditions / Symptom Observation Cause Solution
Heater fuse is intact. Power
up in User Diagnostic Mode.
Enter Manual Mode with a
water target of 42°C. After
stabilizing for several minutes,
note whether the display
indicates any rise in the water
temperature T2. Water does
not warm at all. Power Module fault. Replace the Power Module. CTU connected.
Water does not heat to
target temperature in
Manual Mode.
Heater fuse is intact. Power
Module replacement was
unsuccessful. Power up in
User Diagnostic Mode. Enter
Manual Mode with a water
target of 42°C. After
stabilizing for several minutes,
note whether the display
indicates any rise in the water
temperature T2. Water does
not warm at all. Heater thermal breaker
tripped, caused by fault
in heater control circuit. Call Medivance Service.
Pads connected.
Water cools but is reported
to be unable to cool
effectively when used with
a patient.
Remove plastic grille and
examine the condenser. Chiller condenser
clogged with lint. Clean condenser.
Power up in User Diagnostic
Mode. Operate the system in
Manual Mode with a water
target of 4°C for 5 minutes.
No sound emanates from the
chiller. The CHILL LED on
the I/O Card is on. Chiller Power Relay or
cable fault. Check the cables between the
relay and the I/O Card. Also
check the cables between the
relay and the Power Module and
chiller. Replace cables and/or the
relay, if necessary.
Power up in User Diagnostic
Mode. Operate the system in
Manual Mode with a water
target of 4°C for 5 minutes.
No sound emanates from the
chiller. The CHILL LED on
the I/O Card is off. The
reservoir level in the
diagnostic display (Lx) is less
than 2. Water reservoir level
insufficient to run the
chiller. Fill reservoir. If unsuccessful,
see "Will Not Fill".
CTU connected.
Water does not cool to
target temperature in
Manual Mode.
Power up in User Diagnostic
Mode. Operate the system in
Manual Mode with a water
target of 4°C for 5 minutes.
No sound emanates from the
chiller. The CHILL LED on
the I/O Card is off. The
reservoir level in the
diagnostic display (Lx) is
greater than 2. Electronics or chiller
fault. Call Medivance Service.