Figure 43: Main control fault display - HMH72B48/
HMH72B60
Note: The fault code is displayed by the 7-segment
display on the main control board.
Figure 44: Drive fault code display
Note:
• The lamp of the drive board flashing shows that a failure has occurred.
• The number of times the drive failure lamp flashes shows the failure code.
Installation Manual: HMH7 Series - 17 SEER Horizontal Discharge Modulating Heat Pump48
Johnson Controls Ducted Systems
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