Performing Maintenance; Introduction; Preparation For Maintenance - A.O. Smith ADMR - 40 Installation, User And Service Manual

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15.1 Introduction

15.2 Preparation for
maintenance
Instruction manual ADMR
Performing
maintenance
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.
To test whether all components are still working properly, complete the following
steps:
1. Activate the MENU with
2. Use: and to place the cursor beside OFF.
3. Confirm OFF with
MENU
»OFF
^ ON
È WEEK PROGRAM
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.
INTERNAL CHECK
The display will now show INTERNAL CHECK for about 10 seconds, and
will then go to the main menu.
.
.
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