RC GROUP TRIPACK Series - Troubleshooting; Troubleshooting Table

Chapter 8 - TROUBLESHOOTING
RC GROUP S.p.A I_TRP_0909_GB
45
8 TROUBLESHOOTING
Alarm
Description
Function
Cause
Remedy
R
estart
AL01
Wrong phases
sequence
Compressor
rotation sense
Electric Re-connect 2 phases
A
AL05
Low pressure for
refrigerant circuit
Hydraulic
circuit
Insufficient water flow
Check the hydraulic circuit
A/M
Refrigerant
circuit
Low refrigerant
charge
Contact an After-Sales
Service authorized by the
manufacturer
Faulty working
AL11
High pressure for
refrigerant circuit
(pressure switch)
Refrigerant
circuit
High outdoor
temperature
Contact an After-Sales
Service authorized by the
manufacturer
M
Chilled water set-
point too high
Dirty condenser
AL14
High pressure for
refrigerant circuit
(pressure transducer)
Refrigerant
circuit
High outdoor
temperature
Contact an After-Sales
Service authorized by the
manufacturer
A/M
Chilled water set-
point too high
Dirty condenser
AL20
Irregular working
temperature and
pressure in the
refrigerant circuit
Refrigerant
circuit
Faulty working
Contact an After-Sales
Service authorized by the
manufacturer
M
AL23
AL24
Thermal protection
of the compressor
1-2
Compressor
Unbalanced power
supply
Check the line voltage
M
Blackout
Compressor failure
Contact an After-Sales
Service authorized by the
manufacturer