| HCU 40 |
8 Maintenance
| 129 |
Instructions for Use | 1.0 | EN | 01
Copyright Maquet Cardiopulmonary GmbH
8.1.2 Perform Diagnosis
WARNING!
n
To ensure safe use of the HCU 40, perform fault diagnosis once a week.
n
If an error occurs during diagnosis, you must not continue to use the device.
Notify the authorized service.
WARNING!
The diagnosis can only be carried out under the following conditions:
The water temperature in the tank is < 25°C.
The bypass tubes for diagnosis are connected and de-aired.
No other tubes or heat exchangers are connected to the system.
Otherwise the diagnosis will not be successful.
The diagnosis is an intensive self-test of the system, which can help to identify
possible error causes. The HCU 40 supports you with a wizard to guide you step
by step.
The navigation and pump control are inactive during diagnosis. However, you can
cancel the diagnosis in order to be able to navigate and control the pumps again.
1
Stop the pumps.
2
Empty the water circuits (⇨ "Emptying Water Circuits", page 58).
3
Close the stopcocks of all circuits (⇨ "Opening/Closing Stopcocks", page 40).
4
Disconnect the tubes from the HCU 40.
5
Connect one of the supplied bypass tubes (1 m) to the patient water circuit 1.
6
Connect the other supplied bypass tube (1 m) to the cardioplegia water circuit.
7
Open the stopcocks of the patient water circuit 1 and the cardioplegia water
circuit (⇨ "Opening/Closing Stopcocks", page 40).
8
Touch the
[Functions]
symbol in the main screen.
9
Touch the
[De-airing]
symbol of both circuits.
▶
Once the circuit has been de-aired, a green check mark appears next to
the
[De-airing]
symbol.
10 Touch the
[Settings]
symbol.
11 Touch the
[Diagnosis]
symbol.
12 Follow the wizard's instructions.
13 To confirm that you have followed the instructions, touch the
[Continue]
symbol.
Summary of Contents for HCU 40
Page 1: ...INSTRUCTIONS FOR USE HEATER COOLER UNIT HCU 40...
Page 147: ......
