Vertiv Liebert iCOM User Manual

Liquid Line Solenoid Valve
Enables/disables the valve during manual/diagnostics mode.
Low Pressure Alarm Code
Code of low-pressure alarm. To address the alarm condition, see Resetting Low Pressure Alarm Code below .
• 0: Okay.
• Non-zero: Low suction pressure condition.
Low Pressure Status
Status of compressor’s low pressure switch.
Pump Down Failure Counter
Number of pump down failure events.
Status HT1
Count of times compressor is powered off for high scroll temperature.
11.4.2 Resetting High Pressure Alarm Code
When a high pressure problem has caused a compressor to lock off, resetting the High Pressure Alarm Code to zero unlocks
the compressor for operation.
NOTE: Cycling main power of the cooling unit will also unlock the compressor.
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 Pressure Alarm Code, thentouch Save.
The code is reset and the compressor can now operate.
11.4.3 Resetting Low Pressure Alarm Code
When a low pressure problem has caused a compressor to lock off, resetting the Low Pressure Alarm Code to zero unlocks
the compressor for operation.
NOTE: Cycling main power of the cooling unit will also unlock the compressor.
1. On the Service menu, touch Diagnostic/Service > Diagnostics.
The DIAGNOSTICS panel opens.
2. Touch Compressor Circuit Nin the Category list (where “N” is the circuit number).
3. On the COMPRESSOR CIRCUIT panel, touch Set to Zero next to Low Pressure Alarm Code, thentouch Save. The
code is reset and the compressor can now operate.
11 Performing Diagnostics
168
Vertiv™ Liebert® iCOM™Installer/User Guide

Vertiv Liebert iCOM Specifications

General

Brand	Vertiv
Model	Liebert iCOM
Category	Control Unit
Language	English