Electric Backup Heater Components Overview (Only Hp270-2); Procedure To Remove Electric Heater (Hp270-2) - Bosch HP270-2 Technical Manual

Resistance test:
- Between L – N and
multimeter in position
for Ohmic resistance
measurement.
Continuity test:
1. Drainage of water
4. Unscrew earth
connection
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Table 6 – Electric Backup Heater components overview (only HP270-2)
2. E-Heater cover protection
5. E-Heater removal
Table 7 – Procedure to remove electric heater (HP270-2)
6-720-821-364 SM HP270 – 250 - 200 2016/12 en
removal
6. Ensure new gasket when
27 Ω
0 Ω
3. Thermostat Removal
reassembling