Replacing A Control Board - Huawei NetCol8000-A013 User Manual

NetCol8000-A013 In-room Air Cooled Smart Cooling
Product
User Manual (800 mm Width)
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Step 5 Install the new outdoor fan by performing the preceding steps in reverse order, and connect
the fan cable to the corresponding position in the control board.
Step 6 Secure the outdoor fan cable using cable ties.
Step 7 Install the fan guard.
Step 8 Power on the equipment, choose Maintain > Performance Maintain on the home screen to
access the performance maintain screen
Step 9 Start the equipment and ensure that the smart cooling product works properly and no alarm is
raised.
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5.4.2.2 Replacing a Control Board

Prerequisites
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Context
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Procedure
Step 1 Turn off the indoor unit circuit breaker and circuit breaker in the power distribution cabinet.
If the outdoor unit does not take the electricity from indoor unit, turn off the circuit breaker
for the outdoor unit.
Step 2 Remove the top cover and left front panel using a Phillips screwdriver.
Step 3 Use diagonal pliers to cut off the cable ties that secure the control board cables, and remove
the cable terminals from the control board.
Step 4 Use a Phillips screwdriver to remove the bolts that secure the control board, and remove the
control board.
Issue 05 (2019-12-20)
Use a flat-head screwdriver to remove the red clip of the fan terminal CN17 (upper fan,
lower fan: CN19) of the control board, and then remove the interconnection terminal.
Pull out the cable from the fan side.
Use a socket wrench to remove the four screws that secure the motor mounting plate, and
take out the motor and cable.
A control board needs to be replaced.
A spare control board of the same model is available and functional.
Tools: Phillips screwdriver, diagonal pliers, cable tie.
Preparation: Power off the outdoor unit.
Take a photo before performing this step so that you know how to bind the cable ties and install the
cable terminals later.
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5 System Operation and Maintenance
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