Bosch Singular 5200 Service Manual

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Service Manual
Singular Combi Boiler - BTC 439002301 A (12.2021)
A4 Error - Wire Check
1. Check the connection status of the wire.
Figure 14
A4 Error - High Limit Cutouts Check
1. Measure the resistance of the cutouts.
 Normal: 1 Ω or less
 Abnormal: O.L
2. If the resistance cannot be measured normally, replace the high limit cutout.
Figure 15
Ω
T2
T3

Bosch Singular 5200 Specifications

General

Brand	Bosch
Model	Singular 5200
Category	Boiler
Language	English