Calling For Service - Mitsubishi Electric QAHV Série Manuel D'installation & D'instructions

[3] Calling for Service

If the problem cannot be solved by following the instructions provided in the table on the previous pages, please
contact your dealer or servicer along with the types of information listed below.
(1) Model name
The model name is a string that starts with "QAHV" and is found on the lower part of the left side of the unit.
(2) Serial number
Example: 75W00001
(3) Error code
(4) Nature of the problem in detail
Example: The unit stops approximately one minute after it was started.
GB-67