This service manual is not available to the general users, but only applies to professional
technicians with relevant qualifications. Any incorrect maintenance may result in other
dangers!
The power and gas supply must be cut off before maintenance!
A new power cord which meets the relevant technical requirements must be used once
possible hidden malfunctions are found with the current power cord (refer to this
Manual)!
Please read carefully all safety warnings in this Manual before maintenance!
The product is prohibited from using until test is conducted as per relevant regulations
after maintenance!
This service manual applies to many models, so the specific operations please prevail in
kind!
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