| 86 |
6 Messages
| HCU 40 |
Instructions for Use | 1.0 | EN | 01
Copyright Maquet Cardiopulmonary GmbH
Message
Possible conse
quences
Possible cause
Possible action
Pat.: Water circuit
faulty! Change the de
vice or use the cardio
plegia circuit if possible.
Check temperature.
The pump is switched
off. The water circuit
cannot be used any
more.
Temperature sensor on
outlet defective, heater
defective, or tempera
ture protection switch
has triggered an alarm.
Have device checked/
repaired by authorized
service personnel. Use
replacement device.
Pat.: Tank temperature
too high!
If the water tempera
ture exceeds 42°C:
The safety shutdown is
triggered. No circulation
until the water has
cooled down.
Patient water circuit:
Temperature in the
tank too high.
Activate ice formation.
Replace water in tank
with colder water.
Temperature sensor
defective.
Notify authorized ser
vice. Use replacement
device.
HCU incompatible with
control unit!
Device cannot be con
trolled.
HCU 40 and control
unit (CU) incompatible.
Connect a compatible
control unit (CU). Notify
authorized service. Use
replacement device.
Plausibility error in tem
perature regulation
Setpoint temperature is
not reached.
Mixing valve defective
or cooling/heating ca
pacity too low.
Switch off the compres
sor. Notify authorized
service. Use replace
ment device.
Mains voltage too low
Component malfunc
tions
Voltage supply too low. Compare required de
vice voltage with mains
voltage. Ensure suffi
cient and stable power
supply. In case of fre
quent mains voltage
disruptions, notify au
thorized service and
have the device ad
justed to a lower input
voltage.
Fan defective! Com
pressor off!
Ice formation disrupted. Fan 1 or 2 defective or
blocked.
Clean the fan or if nec
essary have it replaced
by authorized service.
Selftest failed
HCU 40 functions af
fected
Broken cable, controller
defective, incorrect
mains voltage or mains
frequency, water level
too high/low, heater de
fective or sensors de
fective.
Switch the HCU 40 off
and back on again.
Change mains input
voltage if possible. No
tify authorized service.
Use replacement de
vice.
Summary of Contents for HCU 40
Page 1: ...INSTRUCTIONS FOR USE HEATER COOLER UNIT HCU 40...
Page 147: ......
