PCC1302 PowerCommand Low Coolant Level (Warning or Shutdown) Solution

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Logic:
This fault is used when an optional coolant level sensor is installed. The nature of the fault is an optional customer selection.
The fault function can be programmed (using the InPower service tool), as follows:
• Enable/disable input (Default: enable)
• Status, Warning, or Shutdown (Default: #1-None, #2 and #3-Warning)
• Active closed or open (Default: closed [ground])
• Change the display name using up to 19 characters (Default: #1- Customer Fault 1, #2-Ground Fault, #3-Low Fuel)

Possible Cause:
1 Low coolant
2 No actual fault, external wiring problem

Diagnosis and Repair:
1 Low coolant
a If the generator set is powering critical loads and cannot be shut down, wait until next shutdown period, then do the steps that follow.
b Allow engine to completely.
c Check coolant level and replenish if low.

2 No actual fault, external wiring problem
a Disconnect the signal lead from TB1 and reset the control.
a CONFIG INPUT 1 – TB1-13
b If the message goes away, the external wiring has a short circuit. Grounding of either input activates fault.

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