Heater-Cooler System 3T • Operation
CP_IFU_16-XX-XX_USA_015 5.13
5.5 Alarm and error displays
!
If all of the heater-cooler displays flash, the device is in service mode. Only qualified service personnel
are allowed to use this operating mode for test and diagnostic purposes.
It must, under no conditions, be used during the operation. Power the heater-cooler down and then up
again to close the service mode.
5.5.1 Alarm displays
Operation-related alarms (i.e. no error code displays are shown simultaneously) only concern the
circuit for which the alarm is displayed. The corresponding other circuit remains unaffected.
Water level alarm
!
Please note that the refilling of water (to the maximum water level) will have a brief influence upon the
actual temperature of all circuits (dependent on the temperature of the refilled water).
◗ Display
➜ Cause
◗ Effects
➜ Measures
◗ Water level display:
The orange LED flashes
➜ Preliminary stage of the water level
alarm
◗ This preliminary alarm has no direct
influence upon operation.
➜ Refill filtered water immediately.
A further decrease of the water level
will trigger alarm and thus stop the
water circuits.
◗ Water level display:
The red LED lights up, the alarm tone
sounds
◗ The symbol of the corresponding circuit
flashes
➜ The minimum water level has been
reached
◗ The pumps of the corresponding circuit
stop.
➜ Refill filtered water immediately. Then,
the water circuit in question has to be
restarted manually.
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