Warning - THM15

Display - Inlet Pressure

Description- Indicates that the stacks’ inlet pressure is less than the under-pressure threshold (20 PSI) or greater than the over-pressure threshold(60 PSI) for 3 seconds while the pump is running.

Resolution:

Pressure exiting the coolant pump: pump outlet

1. Verify Inlet Pressure reading on HMI: Monitor-menu

2. Check for coolant leaks

3. Check coolant Pressure Sensor/Transducer PT1 in LC Cabinet section: wiring

■ TB11-4 | TB11-11 | CANUX2 J6-6/1/(2-shield drain-wire)