Bosch Greenstar Ri Compact Instruction Manual download pdf (Page 14)

Fault finding

Greenstar Ri Compact

ErP

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7.2 Extreme cold weather

In some instances where the condensate pipe work is run externally or in an unheated area, such as a garage, the condensate pipe

work can be at risk of freezing, even if well insulated.

A frozen/blocked condensate pipe will cause the boiler to shut down.

If the condensate pipe has frozen:

▶ Locate the blockage.

It is likely that the pipe is frozen at the most exposed point outside the building or where there is an obstruction to flow.

This could be the open end of the pipe, at a bend or elbow, or where there is a sag in the pipe in which condensate can collect.

The location of the blockage should be identified as closely as possible before taking further action.

▶ Thaw the frozen pipe.

The pipe can be thawed by applying a hot water bottle, a microwaveable heating pack (the sort used for muscular aches and

pains) or a cloth soaked in hot water to the exterior of the pipe, close to the point of blockage.

Hot water, but not boiling, can also be poured onto the pipe from a watering can or similar container.

▶ Once the pipe has been thawed the boiler must be reset, refer to page 13.

Wait two to three minutes for the boiler to restart.

▶ If the boiler does not restart, contact Worcester, Bosch Group appointments team on: 0330 123 9339.

▶ Contact your installer in order to find a permanent solution to the problem.

WARNING: Falling hazard!

Failure to follow this guidance may result in personal injury.

▶ Only attempt to thaw a condense pipe that is at ground level, and that is easily accessible.

▶ Never attempt to thaw a condense pipe that is at height.

CAUTION: Pipe damage

▶ DO NOT use boiling water to thaw the condensate pipe!

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Bosch Greenstar Ri Compact Instruction Manual Page 14