SERVICING AND SPARES
6 720 803 599 (2012/06) 35
6 SERVICING AND SPARES
6.1 INSPECTION AND SERVICE
• To ensure the continued efficient operation of the appliance it must be
checked at regular intervals.
• The frequency of servicing will depend upon the particular installation
conditions and usage. However, an annual service is recommended.
• The extent of the service required by the appliance is determined by
the operating condition of the appliance when tested by fully
qualified engineers.
• The service interval record sheet at the rear of these instructions must
be completed after each service.
INSPECTION
1. Check that the terminal and the terminal guard, if fitted, are clear and
undamaged.
2. If the appliance is in a compartment or cupboard check that the
specified service space around the appliance is clear.
3. Check all the joints and connections in the system and remake any
that show signs of leakage. Refill and re-pressurise if applicable as
described in Commissioning.
B Operate the appliance and make a note of any irregularities. Call up
the last fault stored by the Bosch Heatronic, press the Service button
and select Service Function 6.A.
Use the ECO and Holiday buttons to scroll through the menu.
Refer to Fault Finding for rectification procedures.
6.1.1 COMPONENT ACCESS
Removing outer case
1. Remove bottom panel by pulling it forward and off.
2. Undo but do not remove the two screws (A) securing boiler casing at
the bottom of the appliance.
3. Pull upwards to release the clip (B) on top of the boiler.
4. Pull case forward and remove.
Fig. 45 Removing outer case
2. Adjusting boiler control to service position
1. Slide down the white plastic clip securing the control panel.
2. Pull the control panel forward until it comes to rest in service position.
Fig. 46 Controls to service position
CAUTION: TURN OFF THE GAS SUPPLY AND ISOLATE
THE MAINS SUPPLIES BEFORE STARTING ANY WORK
AND OBSERVE ALL RELEVANT SAFETY PRECAUTIONS.
NOTICE: After replacement of any components always
check for gas tightness where relevant and carry out
functional checks as described in the commissioning
section.
Any O-rings and gaskets must be replaced.
NOTICE: SERVICE MUST NOT BE ATTEMPTED IF A
CO/CO
2
ANALYSER IS NOT AVAILABLE.
NOTICE: Any service work must be carried out by
competent registered engineers such as British Gas or
Gas Safe registered engineer.
Please refer to the Service Record at the rear of the
manual.
A
B
4.
6720647361-27.4Wo
2.
3.
1.
6720647361-32.2Wo
2.
1.
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