User manual

59
ENGLISH
ir33 +030220441 - rel. 2.5 - 16.06.10
8.1 Summary table of alarms and signals: display, buzzer and relay
The following table describes the alarms and signals on the controller, with their description, the status of the buzzer, the alarm
relay and the reset mode.
Code Icon on the display Alarm relay Buzzer Reset Description
rE
 ashing
on on automatic virtual control probe fault
E0
 ashing
o o automatic room probe S1 fault
E1
 ashing
o o automatic defrost probe S2 fault
E2
 ashing
o o automatic probe S3 fault
E3
 ashing
o o automatic probe S4 fault
E4
 ashing
o o automatic probe S5 fault
‘___’ No o o automatic probe not enabled
LO
 ashing
on on automatic low temperature alarm
HI
 ashing
on on automatic high temperature alarm
AFr
 ashing
on on manual antifreeze alarm
IA
 ashing
on on automatic immediate alarm from external contact
dA
 ashing
on on automatic delayed alarm from external contact
dEF
on
o o automatic defrost running
Ed1 No o o automatic/manual defrost on evaporator 1 ended by timeout
Ed2 No o o automatic/manual defrost on evaporator 2 ended by timeout
Pd
 ashing
on on automatic/manual maximum pump down time alarm
LP
 ashing
on on automatic/manual low pressure alarm
AtS
 ashing
on on automatic/manual autostart in pump down
cht No o o automatic/manual high condenser temperature pre-alarm
CHT
 ashing
on on manual high condenser temperature alarm
dor
 ashing
on on automatic door open too long alarm
Etc
 ashing
o o automatic/manual real time clock fault
EE
 ashing
o o automatic Eprom error, unit parameters
EF
 ashing
o o automatic Eprom error, operating parameters
HA
 ashing
o o manual HACCP alarm, HA
HF
 ashing
o o manual HACCP alarm, HF
rCt Signal o o automatic instrument enabled for programming from the remote control
Add Signal o o automatic automatic address assignment procedure in progress
Prt Signal o o automatic printing report
LrH Signal o o automatic activation of low relative humidity procedure
HrH Signal o o automatic activation of high relative humidity procedure
ccb Signal start continuous cycle request
ccE Signal end continuous cycle request
dFb Signal start defrost call
dFE Signal end defrost call
On Signal switch ON
o Signal switch OFF
rES Signal reset alarms with manual reset
reset HACCP alarms
reset temperature monitoring
n1 - n6
 ashing
on on automatic indicates an alarm on unit 1-6 in the network.
dnL Signal download in progress
d1 - d6
 ashing
o o download with errors on unit 1-6.
Tab. 8.a
The buzzer sounds if enabled by parameter H4.
The alarm relay is activated if auxiliary output 1 (H1) has been assigned the alarm relay function.
Note: the buzzer is not a ected by the CAREL supervisory system.
8. ALARMS AND SIGNALS