15 performing maintenance, Performing maintenance, Introduction – A.O. Smith 120 through 250 Series User Manual
Page 85: Preparation for maintenance, 2 "preparation for maintenance")
Instruction manual BFC
85
s
15
Performing
maintenance
15.1 Introduction
Attention
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.
2.
3.
4.
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 MENU with
.
2. Use: and to place the cursor beside OFF.
3. Confirm OFF with
.
4. Wait until the fan has stopped. The icon is then dimmed.
Attention
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.
MENU
»OFF
^ ON
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