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Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
40
E6 OR EB: DC FAN ERROR
DEFINITION
• Fan rotation is less than 240 RPM for 20 seconds during operation.
• Fan rotation difference between the transient RPM and target one is larger than set value for three minutes.
• Eb will be reported on DIS1 if E6 occurs two times within ten minutes.
POSSIBLE CAUSES
• Burned out motor
• Incorrect wiring within electric control box
• Damaged power drive board
• Damaged main board of ODU
A210281
Fig. 46 —E6 or Eb Troubleshooting Chart
* NOTE 1: If resistance difference between the tested value and the one shown below is larger than 30%, the motor is burned out.
* NOTE 2: Check the power output from main board and connection wires before replacing it.
Between two terminals Red and Black White and Black Yellow and Black Blue and Black
Resistance (KΩ)
≥ 1000
1.2 200
≥ 1000
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