31
Table 9. Troubleshooting Procedures
Problem
Cause
Solution
Unit is warm
around door frame
Perimeter Heater
is ON (swinging
doors only)
This is a normal function of the unit and is a result of the perimeter heater
to reduce condensation.
Unit warms up
Door is open
Make sure the door is completely closed.
Door seal
Check the door seal, following instructions in
Section 12.
5.
Warm product recently
loaded in unit
Allow ample time to recover from loading warm product.
Power supply
Check for proper voltage to the unit. If there is no voltage to the unit, call
an electrician.
Setpoints need to be
adjusted
To adjust the setpoint, refer to
Section 9.3
.
"E01" on display
Invalid Algorithm
Check to ensure the model type is set correctly in service mode. Refer to
Section 9.4.
"E02" on display
Control Probe
Failure
Check for loose probe connector. Replace control probe.
"E03" on display
Defrost Probe
Failure
Check for loose probe connector. Replace defrost probe.
"E05" on display
Ambient Probe
Failure
Check for loose probe connector. Replace ambient probe.
"Err" on display
Upper Bottle Probe
Failure
Check for loose probe connector. Replace upper bottle probe.
“---” on display
Lost
Communication
Call customer service.
Convenience outlet has
no power
No Power
Ensure all switches are in the ON position (“
I
”) on the rear of the unit. Try
cycling the Chromatography Manual Reset Switch and Chromatography
Power Inlet Switch to OFF (“O”) then ON (“
I
”).
Ensure GFCI Breaker (if applicable) is not tripped inside of unit. Refer to
Section 7.3.2 for further instruction on GFCI lights.
Sensor Tripped
If chemicals were stored in refrigerator in an unsealed container that could
have set off the safety sensor (ethanol or alcohol based), leave the doors
open for approximately 5 minutes to allow any vapors to exit the
refrigerator and cycle the Chromatography Manual Reset Switch.
If cleaning agents were used, refer to Section 12.8 for cleaning
instructions. If the light repeatedly changes from red to green or the red
light stays illuminated after trying to reset, please contact
Customer Service.
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