20
MN-36246 • Rev 3 • 03/17 • 1000-MR2 Refrigerated Carts
Troubleshooting
Alarm Displayed
Description
Action Required
*
*
**
Door open alarm
Close door
*
*
**
Condenser high temperature alarm
Check for blockage / clean
High temperature safety stat
Repair / replace relay
*
*
**
High temperature alarm
Press a button to cancel / check
*
*
**
Low temperature alarm
Press a button to cancel / check
*
*
**
Probe T1 failure
Replace probe
*
*
**
Probe T2 failure
Replace probe
*
*
**
Probe T3 failure
Replace probe
Before looking any further, please check the power supply to the unit and controller temperature setting.
Alarms
The controller is equipped with internal visual and audio alarms:
Press any button on the controller to silence an alarm. Verify that the
indicator is lit. If lit, verify that the door
is closed and the gasket is sealing correctly. Also, check that the condenser is not choked and that the condenser and
evaporator fans are running. If the evaporator is iced up, press and hold the
button to start a manual defrost cycle.
If this doesn’t solve the problem, please call a qualified technician.
ALR
