Model # Error
system
Description
The stored model number is wrong, and the unit shuts down and alarms in engine and electric operation.
Activation Conditions
There is an error in the Model Number that is stored in the main microprocessor memory
Unit Behavior
Engine and Electric Operation: Shutdown and alarm.
Reset Conditions
Auto reset only when a valid Model number is entered.
Corrective Actions
1. Check Model Number a. Check Model # in microprocessor. b. Enter correct Model Number. Check Model Number on Nameplate. Select the correct model number in the “MODEL NUMBER” Configuration. If correct model number is not found, Install (or have Carrier Transicold dealer install) latest software revision. 2. Reset Microprocessor a. Place the START/RUN-OFF switch in the OFF position. Disconnect the negative battery cable,or unplug the PM connector. Wait 20 seconds and reinstall. Then place the START/RUN-OFF back in the START/RUN position. The microprocessor powers up OK and the latest setpoint appears in the display. b. Check for valid Model number in Unit Data. Valid number is present. Alarm is cleared. c. Valid model number can not be entered and alarm remains active. Download data and replace the Micro Stepper Module (MSM). Refer to Section 5.5.