Troubleshooting (Fault Reset); Fault 2980; Extreme Cold Weather - Bosch Condens GC4700iW 15 S User Instructions

Bosch
The appliance is supported in EiRE by Bosch.
Specialist service engineers are available to attend an appliance
breakdown.
Invoices for attendance and repair work carried out on this appliance by
any third party will not be accepted.
• No charge will be made for parts and/or labour providing:
– The appliance fault is found and the appliance is within the
guarantee period. Reasonable evidence of this must be supplied
on request. i.e. a completed Commissioning and service record
and has been regularly serviced at least once a year.
• A call-out charge will be made where:
– The appliance is outside the guarantee period or has not been
serviced in accordance with the manufacturers instructions.
– Our Field Service Engineer finds no fault with the appliance.
– The cause of breakdown is misuse or with other parts of your
plumbing/heating system, or with equipment not supplied by
Bosch.
No appliance fault is found on over 30% of all service calls.
▶ In the case of a suspected fault, refer to the basic checks earlier in this
section.
In the event of an appliance fault or breakdown please contact Bosch
appointments team on 0330 123 9339. Your advisor will arrange for an
engineer to call with the minimum of delay; under normal circumstances
this will be from 1‒3 working days (excluding weekends and bank
holidays) for priority breakdown situations (no hot water and/or
heating).
10.1

Troubleshooting (fault reset)

If there is fault in the system, there will be a message shown on the
display with an icon on the right up corner. The color of this icon depends
on the severity of the fault in the system. The cause of the fault is coded
(e.g. fault code 232) and displayed as text.
▶ Press the  and  keys until Reset is displayed.
The appliance starts up again and the current supply temperature is
displayed.
If a fault persists:
▶ Contact the contractor or the customer service.
▶ Provide them with the displayed fault code and the device data
( table 4).
10.2

Fault 2980

CAUTION
Fault 2980
▶ If fault 2980 is visible on the boiler display then contact a qualified
heating engineer immediately. Do not attempt to remedy the fault
otherwise there is a chance this could lead to a serious, safety-related
fault. Heating and hot water will not be available until remedied by a
qualified heating engineer.
10.3

Extreme cold weather

In certain instances where the condensate pipework is run externally or
in an unheated area, such as a garage, the condensate pipework can be
at risk of freezing, even if well insulated.
Condens 4700iW – 6721864485 (2023/04)
A frozen/blocked condensate pipe will cause the boiler to shut down.
Bosch have available helpful videos on thawing frozen condensate pipe
work on our website in the Customer Service section.
WARNING
Falling hazard!
Failure to follow this guidance may result in personal injury.
▶ Only attempt to thaw a condensate pipe that is at ground level and
easily accessible.
▶ Never attempt to thaw a condensate pipe that is at height.
CAUTION
Risk of damage to pipe work!
Thermal shock from boiling water can damage plastic pipes.
▶ DO NOT use boiling water to thaw the condensate pipe!
CAUTION
Slip hazard
▶ Ensure that the subsequent freezing of any water does not result in a
slip hazard.
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.
– Care must be taken at pedestrian areas where this water may
freeze and create a slip hazard.
▶ Bosch have available on our website helpful videos in the Customer
Service section to aid in thawing a frozen pipe.
▶ Reset the appliance and wait two or three minutes for the appliance
to restart.
▶ Contact Bosch Appointments Team on:
0330 123 9339, if the boiler does not restart.
▶ Contact your installer in order to find a permanent solution to the
problem.
Malfunction or failure
13