Maquet HCU 40, Instructions For Use Manual

Page: 88 / 148

| 88 | 6 Messages | HCU 40 |
Instructions for Use | 1.0 | EN | 01
Copyright Maquet Cardiopulmonary GmbH
Message Possible conse­
quences Possible cause Possible action
Water level and ice
sensor defective!
Danger of frozen tank!
If necessary, stop com­
pressor to reduce ice
thickness! Vis. check
water and ice level. Tank frozen. Water level and ice
sensor defective! Vis. check water and
ice level. If necessary,
stop compressor to re­
duce ice thickness! No­
tify authorized service.
Keep/use replacement
device.
HLM connection faulty! Device cannot be con­
trolled via heart­lung
machine.
CAN communication
with HLM interrupted. Check connection vis­
ually. Notify the autho­
rized service if neces­
sary.
Ice monitoring defec­
tive! Change device or
operate the compressor
manually. Check ice. If ice formation is too
great: the water tank
may freeze. No circula­
tion and thus no tem­
perature regulation
possible. Ice sensor defective. Start the ice formation
manually if necessary.
Replace device as
quickly as possible. No­
tify authorized service.
Use replacement de­
vice.
Too little ice Water level and ice
sensor defective!
Fill with ice ( ⇨ "During
the Application", page
73).
Water level sensor de­
fective! Check water
level visually Displayed water level is
incorrect Level sensors defec­
tive. Notify authorized ser­
vice. Use replacement
device. Check water
level visually. Top up
water if necessary.
Top up water in tank If water level falls fur­
ther: No circulation with
empty tank, and there­
fore no temperature
regulation possible. Too little water in the
tank. Fill the water tank.
Level sensors defec­
tive. If the error occurs
again: Notify authorized
service. Use replace­
ment device.
Pat.: Tank temperature
too low. Danger of
frozen tank! Check ice
thickness visually. If
necessary, reduce ice
formation. Tank may freeze. Sensor faulty. Reduce setpoint ice
block size. Check ice
thickness visually.