Manualshelf

Troubleshooting Guide

ManualsBrandsMRCOOL ManualsDIY Mini SplitsDIY 42000 BTU 4Ton 2-Zone Ductless MiniSplit Air Conditioner&Heat Pump 230V/60Hz with 1 ft./25 ft.&1 ft./25 ft. LineSet
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Troubleshooting 5
For other errors:
The display board may show a garbled code or a code undefined by the service manual. Ensure that this code is not a
temperature reading.
Troubleshooting:
Test the unit using the remote control. If the unit does not respond to the remote, the indoor PCB requires replacement.
If the unit responds, the display board requires replacement.
88 flash frequency: