Operation Manual

Instruction manual ADMR 79

15 Performing

maintenance

15.1 Introduction

Caution

Maintenance may only be performed by a qualified service and

maintenance engineer.

At each service, the appliance undergoes maintenance on both the water side

and the gas side. The maintenance must be carried out in the following order.

1. Preparation for maintenance

;

2. Water-side maintenance

;

3. Gas-side maintenance

;

4. Finalizing maintenance

Note

To order spare parts, it is important to write down the appliance type and

model, and the full serial number of the appliance. These details can be found

on the rating plate. Only by ordering with this information can you be sure to

receive the correct spare parts.

15.2 Preparation for

maintenance

To test whether all components are still working properly, complete the following

steps:

1. Activate the

with .

2. Use: and to place the cursor beside

OFF

3. Confirm

OFF

with .

4. Switch the appliance OFF (position 0) using the ON/OFF switch on the

control panel.

5. Switch the electronic controller ON by setting the ON/OFF switch to

position I.

The display will now show

INTERNAL CHECK

for about 10 seconds, and

will then go to the main menu.

»OFF

^ ON

È WEEK PROGRAM

INTERNAL CHECK