Bosch HP270-2 - Electric Backup Heater Components Overview (Only HP270-2); Procedure to Remove Electric Heater (HP270-2)

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Resistance test:
- Between L – N and
multimeter in position
for Ohmic resistance
measurement.
Continuity test:
Table 6 – Electric Backup Heater components overview (only HP270-2)
Table 7 – Procedure to remove electric heater (HP270-2)
1. Drainage of water
2. E-Heater cover protection
removal
3. Thermostat Removal
4. Unscrew earth
connection
5. E-Heater removal
6. Ensure new gasket when
reassembling
0 Ω
27 Ω