6. Diagnostics and communication
Instructions for useRev.v. 01
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9600- 0099
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© 2022 RIVACOLD srl
6.
Diagnostics and communication
6.1
Alarms
6.1.1
List of alarm messages
Note: The reset of each alarm described below is automatic upon re-entry of the mentioned condition
The keyboard is active, allowing access to
all parameters without any restrictions
The keyboard is locked, only allowing the
parameters of the Quick Access Menu to be
displayed
(dP1, dP2, L°t, H°t, dPr, dPd, dPF, rSE)
The compressor enters a cycle of 15
min on (Con) and 15 min off (Cof)
The compressor enters a cycle of 15 min on
(Con) and 15 min off (Cof)
Defrosting lasts according to parameter
(MdF)
The machine works normally
The machine works normally
The machine works normally
Defrosting probe high
temperature alarm
The machine works normally
Defrosting probe low
temperature alarm
The machine works normally
High fan temperature
alarm
The machine works normally
Low fan temperature alarm
The machine works normally
Blockage due to pressure
switch intervention
Compressor, fans OFF (depending on odc
parameter) and cold room light on.
Signalling, if set, following parameter d#d.
Resumes adjustment following parameter
(rrd) after any alarm
The machine operates normally, only the
alarm relay is activated
External lockout alarm
(Compressor circuit breaker
alarm
/ fan circuit breaker alarm)
6.1.2
EE Alarm
The board is equipped with a system to check the integrity of the internal memory. In case of problems, the
EE alarm appears.
In this situation, the alarm output is activated.
6.2
Serial line and network
The board has two built-in RS485 connections that allow the controller to interface for: