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15Performing maintenance

15.1 Introduction

15.2Preparation for maintenance

Caution

Maintenance may only by carried out by an approved 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.Solar collector maintenance

5.Finalizing maintenance

Note

Before ordering 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

ÈWEEK PROGRAM

4.Wait until the fan has stopped. The icon is then dimmed.

Caution

Failure to wait until the fan stops purging can cause damage to the appliance.

5.Switch the appliance OFF (position 0) using the ON/OFF switch on the control panel.

Instruction manual SGE

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A.O. Smith SGE service manual Performing maintenance, Introduction Preparation for maintenance