28
Code
Alarm unit description
CPS status
RESET
auto/man
Internal circuit
pump status
Internal circuit
pump status
Sanitary valve /
heater status
Er00
General alarm
OFF
A
OFF
OFF
OFF
Er01
High pressure circuit
OFF
M
Er05
Low pressure circuit
OFF
A
¤
M
Er10
Thermal protection - compressor 1
OFF
CPS 1
M
Er11
Thermal protection - compressor 2
OFF
CPS 2
M
Er20
Plant side flow switch
OFF
M
OFF
(1)
OFF
(1)
Er21
Thermal protection - plant side pump
OFF
A
¤
M
OFF
Er25
Source side flow switch
OFF
M
OFF
(1)
Er26
Thermal protection - source side pump
OFF
A
¤
M
OFF
Er30
Plant side antifreeze
OFF
A
Er31
Source side antifreeze
OFF
A
Er35
Water high temperature
OFF
A
Er41
Thermal protection - source side pump (in case of
condensing control option)
OFF
M
OFF
Er45
Clock failure
A
Er46
Clock to be set
A
Er47
LAN communication error
A
Er48
Legionella set-point not reached
A
Er60
RWT probe plant side failure
OFF
A
OFF
Er61
LWT probe plant side failure
OFF
A
OFF
Er63
RWT probe plant side failure
OFF
A
Er64
LWT probe plant side failure
OFF
A
Er66
Sanitary hot water probe failure
OFF
A
Er67
Visualization probe (T/P) failure
A
Er68
Outdoor air temperature probe failure
OFF
A
Er69
High pressure transducer failure
OFF
A
Er73
Dinamic set-point failure
A
Er80
Configuration error
A
OFF
Er81
Compressor maintenance
M
Er85
Plant side pump maintenance
M
Er86
Source side pump maintenance
M
Er90
Alarm hystoric record overcoming
M
6 - Control (continued)
6.5 Alarm list
1) If alarm is manual type