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MCAC-RTSM-2012-07 M-thermal Technical Manual (part 4)
C. "E3": Communication error of outdoor chip and DSP
Outdoor Unit
Display
E3
Method of
malfunction
detection
Check whether communication cable between chip and DSP is not connected
well.
Supposed
Causes
1. Communication cable between chip and DSP is not connected well..
2. External factor other than malfunction.
Troubleshooting
E3
Turn the power supply off
once and then back on
Is normal reset
possible?
Turn the power supply off and
connect the communication
cable correctly, turn the power
on again, is”E3”displayed?
Problem could be cause by External
factor (noise, etc.) other than
malfunction
Replace the main control board.
Continue operation
YES
NO
YES
NO
Summary of Contents for CSD80GN1
Page 27: ...1 4 Dimensions of the outdoor unit 1 5 Installation space 1 Single unit installation...
Page 28: ...2 Parallel connect the two units or above 3 Parallel connect the front with rear sides...
Page 50: ......
Page 59: ......
Page 60: ......
Page 70: ...M thermal technical manual part 3 3 4 Field setting table...