Troubleshooting - RC GROUP TRIPACK Series Installation, Use And Maintenance Manual

Alarm Description
Wrong phases
AL01
sequence
Low pressure for
AL05
refrigerant circuit
High pressure for
AL11 refrigerant circuit
(pressure switch)
High pressure for
AL14 refrigerant circuit
(pressure transducer)
Irregular working
temperature and
AL20
pressure in the
refrigerant circuit
Thermal protection
AL23
of the compressor
AL24
1-2
RC GROUP S.p.A I_TRP_0909_GB
8

TROUBLESHOOTING

Function
Compressor
rotation sense
Hydraulic
circuit
Refrigerant
circuit
Refrigerant
circuit
Refrigerant
circuit
Refrigerant
circuit
Compressor
Chapter 8 - TROUBLESHOOTING
Cause
Electric
Insufficient water flow Check the hydraulic circuit
Low refrigerant
charge
Faulty working
High outdoor
temperature
Chilled water set-
point too high
Dirty condenser
High outdoor
temperature
Chilled water set-
point too high
Dirty condenser
Faulty working
Unbalanced power
supply
Blackout
Compressor failure
Remedy
Re-connect 2 phases
Contact an After-Sales
Service authorized by the
manufacturer
Contact an After-Sales
Service authorized by the
manufacturer
Contact an After-Sales
Service authorized by the
manufacturer
Contact an After-Sales
Service authorized by the
manufacturer
Check the line voltage
Contact an After-Sales
Service authorized by the
manufacturer
Restart
A
A/M
M
A/M
M
M
45