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PART 5 – SERVICE PROCEDURES
5.1 Frigorific circuit alarms
5.1.1 List of alarms
5.1.2 Alarm messages display
5.1.3 Alarms reset
5.1.4 Symptoms & parts to inspect
5.1.5 Alarms diagnosis
5.1.6 HIC board checking
5.1.7 Diode bridge checking
5.2 Hydraulic circuit alarms
5.2.1 List of alarms
5.2.2 Alarms reset
5.2.3 Symptoms & parts to inspect
5.2.4 A2 board checking
5.3 System control alarms
5.3.1 List of alarms
5.3.2 Alarms reset
5.3.3 A1 board checking
5.4 Boards replacement
5.4.1 A2 board
5.4.2 A3 board
5.4.3 A4 board
5.4.4 HIC board
5.5 Sensors characteristics
5.5.1 Heat pump control sensors
5.5.2 System control sensors
WARNING:
Before carrying out any work on the machine, make sure that its power supply is switched off and the access to it
is prevented. Any work must be carried out by personnel qualified and authorized to work on this type of machine.
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