GE GDF510PxJ Series, Technical Service Manual

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Detergent Dispenser
The detergent module is Solenoid operated, using
13.5 VDC to activate the solenoid.
The GDF510PxJxx and GDT535PxJxx send 13.5 VDC
from the main control under the Dishwasher.
All other models send the13.5 VDC from the UI board
in the door.
Some models have a rinse agent dispenser. The
dispenser holds 3.5 oz. (100 ml) of rinse agent. Under
normal conditions, this will last approximately one
month.
The module receives 13.5 VDC for .5 seconds to
activate the detergent cup. To activate the rinse
aid the module receives 13.5 VDC for a period of 15
seconds
To Diagnose GDF510P Detergent Module
• Remove power to dishwasher.
• Remove toe kick panel.
• Disconnect door harness.
• The resistance for the detergent module solenoid
LVűRU²DQGPD\EHFKHFNHGDWWKH
module or the door harness as it enters the
bottom of the main control board. Connector
J721 pins 2 AX (aqua) to 4 CW (brown/white).
Board connector and pin out is found in the
Electronic Control section of this guide.
To Diagnose GDF520P, ADT521P, GDT535P
GDT545P, GDT545H GDT610H and GDT635P
DDT637P Detergent Module
1. Remove power, then remove and separate the
door.
2. The inner panel may be set into the dishwasher
and latched in the closed position.
3. Reapply power.
4. Place the dishwasher into Service Mode (see
Service Mode section in this guide), then
activate the detergent test to check for 13.5
VDC to the detergent module. Service Mode will
provide a 15 second activation time.
Detergent Module Removal
1. Remove power to the dishwasher.
2. Remove and separate the door.
3. Remove the EPS cover, double back tape is used
to secure and is reusable (when reinstalling the
EPS cover, UP must be toward the top of the
door).
4. Remove six 1/4 in. hex head screws.
( Continued next page )