Technical Support - Eliwell Coldface EWHT800LX Series Manual

This section lists alarms associated with the default configuration of the instrument. For a description of alarms relating to custom configura-
tions, refer to the user manual or contact Eliwell Technical Support
Folder Cause
• End of defrost cycle due to time-out
Ad2
rather than due to defrost end tempe-
rature being read by the defrost probe
• activation of digital input (set as exter-
EA
nal alarm). See param. H11...H14
• Activation of digital input (configured as
OPd door switch) See param. H11...H14
• Depends on delay set by parameter tdO
L01...L15*
H01...H15*
LOW and HIGH pressure warning (min/
*PEn para-
max pressure switch)
meter value
(default 15,
max 99)
LOW pressure alarm
LPA
(minimum pressure switch)
HIGH pressure alarm
HPA
(high pressure switch)
Clock alarm
E10
clock faulty or battery low
ALL ALARMS:
• Alarm icon permanently on (including pressure switch warnings)
• Press any key to silence the alarm, the LED changes from a steady light to a blinking light. Please note: the buzzer will be deactivated while
the alarm relay remains active
* E1-E2-E3-E4: If simultaneous they will be shown alternately on the display at a frequency of 2 seconds. E5 shown permanently on lower display

TECHNICAL SUPPORT

Please have the following information available when contacting Eliwell Technical Support:
• IdF firmware version (e.g. 389)
• rEL firmware version release (e.g. 1,2,...)
• tAb map code
• Ht instrument model (e.g. 800)
To obtain this information:
• Press and release the DOWN / INFO key
• Press and release the DOWN key once more to display other information about the instrument
• Press the ESC key to return to the normal display
EWHT800LX
Effects
• Recording of label Ad2 in folder ALr
• Registration EA label in the ALr folder
• Controller shutdown (see section
rLO/dOA/PEA)
• Recording of label OPd in folder ALr
• Regulator blocked (see para. dOA/PEA)
• minute count start defined by parameter
PEi
• no effect on current regulation
• Recording of label LPA in folder ALr
• Current regulation blocked (compressor,
defrost and fans)
• The standby relay will be deactivated
• Recording of label HPA in folder ALr
• Current regulation blocked (compressor,
defrost and fans)
• The standby relay will be deactivated
• Functions associated with clock not
present
Remedy
• Wait for the next defrost cycle for
automatic return
• in case of alarm silenced, the
controllers remain shutdown until
the next deactivation of the digital
input.
• wait for next deactivation of
digital input.
• Close door
• Depends on delay set by parameter
OAO
• Wait for the time interval defined by
PEi (automatic reset) to elapse
• If PEn appear during the PEi interval
see LPA/HPA
• Switch the device off and back on
again (manual reset)
• The pressure switch alarms can be
reset manually from the functions
menu (label rPA)
• Switch the device off and back on
again (manual reset)
• The pressure switch alarms can be
reset manually from the functions
menu (label rPA)
• contact Eliwell Technical Customer
Support
12 - EN