Vertiv Liebert iCOM - 11.5 Diagnosing Electronic Expansion Valve Issues

11.4.4 Resetting High Temperature Alarm Counter
1. Touch , then > Diagnostic/Service > Diagnostics > Compressor Circuit Nin the Category list (where
“N” is the circuit number).
2. On the COMPRESSOR CIRCUIT panel, touch Set to Zero next to High Temperature Alarm Counter, thentouch
Save. The code is reset and the compressor can now operate.
11.5 Diagnosing Electronic Expansion Valve Issues
1. Touch , then > Diagnostic/Service > Diagnostics > Electronic Expansion Valve N in the Category list.
The ELECTRONIC EXPANSION VALVE panel displays.
2. Refer to Diagnostics—Electronic Expansion Valve Options below for descriptions of diagnostic options.
NOTE: Depending on the type of thermal management unit, included components, and control settings of your system,
all of the options listed may not be available on your Vertiv™ Liebert® iCOM™ display.
11.5.1 Diagnostics—Electronic Expansion Valve Options
Current SH Setpoint
Setpoint for superheat.
EEV Batt Fail Counter C1
Number of battery test failures for the valve control board. To address the alarm condition, see Resetting EEV Battery
Failure Counter on the next page .
Firmware Version
Current firmware data.
Manual Valve Control
Sets the valve open percentage during manual/diagnostics mode.
Manual Valve Control Enabled
Enables/disables manual control of the valve in manual/diagnostics mode.
Saturation Suction Temp
Saturated suction temperature of the refrigeration circuit.
Status Battery
Status of the battery on the valve control board.
11 Performing Diagnostics
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Vertiv™ Liebert® iCOM™Installer/User Guide