Electrical System Repair; Replacement Power Board - Bosch ACS 753 Repair Instructions

ACS 753, ACS 763, ACS 863 Service Manual

Replacement Power Board

WARNING: Disconnect the unit from
the power source before beginning
service work. Incorrect use or
connections can cause electrical
shock.
WARNING: Wear safety goggles
when working with refrigerants.
Refrigerants can cause eye injury.
WARNING: Use extreme caution
w h e n d i s c o n n e c t i n g h o s e s .
Pressurized refrigerant may be
present in hoses. Point hoses away
from you and anyone nearby.
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Robert Bosch GmbH

ELECTRICAL SYSTEM REPAIR

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Figure 3-5. Power Board Connector Identification
Instructions
These instructions outline the basic steps to
replace the power board. Refer to Figure 3-5.
Remove Existing Power Board
NOTE: It may be necessary to remove the
power supply to gain access to the bottom
attaching screws of the power board.
1. Disconnect unit from the power source.
2. Remove shroud.
3. Disconnect all wires from power board.
4. Remove screws securing power board in
place and remove power board.
Install Replacement Power Board
1. Install new power board and secure in place
with screws.
2. Connect wires as shown in power board
wiring diagram. See Figure 3-5.
3. Power up the unit and perform a functional
test.
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65
Electrical
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SP00D00609 2018-03-26