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9A
9A
HCM (Heat Control Module) fitted incorrectly
Worcester Bosch Greenstar 27-30 i System
Cause 362 (Locking)
HCM (Heat Control Module). Incorrect HCM fitted
Action
Reset button
This code also applies to:
Greenstar Heatslave II External
Greenstar Heatslave II
Source:
Manufacturer manual (PDF)
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