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Operation Manual
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10.8.2
Low Pressure Start Fail
This alarm indicates that at the compressor start the evaporating pressure or condensing pressure is below a minimum
fixed limit at compressor start.
Symptom
Cause
Solution
Circuit status is Off.
The circuit is stopped.
Bell
icon is moving on controller’s
display.
String in the alarm list:
Cx OffStartFailEvpPrLo
String in the alarm log:
Cx OffStartFailEvpPrLo
String in the alarm snapshot
Cx OffStartFailEvpPrLo
Ambient temperature is too low
(Condenserless units) or evaporator
water temperature is too low (W/C
units)
Check the operating envelope for this
machine.
Circuit refrigerant charge is too low
Check refrigerant charge.
Check for gas leakage with a sniffer.
Reset
Notes
Local HMI
Network
Auto
