50
ENG
Hecu CO
2
+0300085EN rel. 2.2 - 07.05.2019
8.7 Alarm table
Screen
index
Display Description Serious
alarm
Alarm Delay Reset
ALU02 Control probe absent At least one of the main probes is not confi gured
correctly: P_suc, P_GC, T_out_GC, P_ric
x Not present Auto
ALA01 Discharge temperature probe broken
or disconnected
Compressor discharge temperature probe
faulty or not confi gured correctly
x Not present Auto
ALA02 Gas cooler pressure probe broken
or disconnected
Gas cooler pressure probe faulty
or not confi gured correctly
x Not present Auto
ALA03 Outside temperature probe broken
or disconnected
Outside gas cooler temperature probe faulty
or not confi gured correctly
x Not present Auto
ALA04 Generic probe A on board 1 broken
or disconnected
Generic probe A faulty
or not confi gured correctly
x Not present Auto
ALA05 Generic probe B on board 1 broken
or disconnected
Generic probe B faulty
or not confi gured correctly
x Not present Auto
ALA06 Generic probe C on board 1 broken
or disconnected
Generic probe C faulty
or not confi gured correctly
x Not present Auto
ALA07 Generic probe D on board 1 broken
or disconnected
Generic probe D faulty
or not confi gured correctly
x Not present Auto
ALA08 Generic probe E on board 1 broken
or disconnected
Generic probe E faulty
or not confi gured correctly
x Not present Auto
ALA24 Suction pressure probe broken
or disconnected
Compressor suction pressure probe faulty or not
confi gured correctly
x Not present Auto
ALA25 Suction temperature probe broken
or disconnected
Compressor suction temperature probe faulty or not
confi gured correctly
x Not present Auto
ALA43 Gas cooler out temp.probe broken Gas cooler outlet temperature probe faulty
or not confi gured correctly
x Not present Auto
ALA44 Receiver pressure probe broken
or disconnected
Receiver pressure probe faulty
or not confi gured correctly
x Not present Auto
ALA46 Vapour injection pressure probe
broken or disconnected
Vapour injection pressure probe faulty
or not confi gured correctly (LT only)
x Not present Auto
ALA47 Vapour injection temperature probe
broken or disconnected
Vapour injection temperature probe faulty
or not confi gured correctly (LT only)
x Not present Auto
ALA55 Parallel line suction pressure probe
broken or disconnected
Parallel compressor suction pressure probe faulty or not
confi gured correctly
x Not present Auto
ALA 56 Parallel line suction temperature
probe broken or disconnected
Parallel compressor suction temperature probe faulty or
not confi gured correctly
x Not present Auto
ALA57 LT line discharge pressure probe
broken or disconnected
LT compressor discharge pressure probe
faulty or not confi gured correctly
x Not present Auto
ALA58 Parallel line discharge temperature
probe broken or disconnected
Parallel compressor discharge temperature
probe faulty or not confi gured correctly
x Not present Auto
ALB01 Common low pressure switch alarm Low pressure switch on the suction line trips below the
threshold (number of automatic resets /
in min.)
x Hc02 Hc03
ALB02 Common high condensing pressure
switch alarm
High pressure switch on the condensing line trips
above the threshold
x Hc01 Auto/manual
ALB03 Low condensing pressure alarm P_GC falls below a threshold set on De07 x De03 Auto
ALB04 High condensing pressure alarm P_GC exceeds a threshold set on De06 x De01 Auto
ALB05 Liquid level alarm Low liquid level alarm from DI with consequent low
pressure inside the receiver
x Hc04 Auto
ALB06 Common oil diff erential alarm Low oil level in receiver alarm
from DI
Open solenoid valve installed between oil
separator and receiver to increase oil level
x Hc04 Auto
ALB07 Fan common overload Fan overload alarm from DI x De05 Auto/manual
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