Dometic SPX 1200-T User Manual

4445104419 / 2024-04-23/ Page 1 of 4
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EXPLANATION OF SYMBOLS
CAUTION!
Safety instruction: Indicates a hazardous situation that, if not avoided, could result in minor or moderate injury.
CAUTION!
Disconnect all power supplies when working on the parking cooler!
When working on the system, use an ESD wristband that is connected to a grounding point via a cable so that the electrostatic charge is passed on
and the electronic components of the system cannot be damaged due to electrical discharge (ESD).
FIGURE
1:
1. Release the 10 fastening screws and disassemble the top cover.
FIGURE
2:
1. Release the EPP top cover above the evaporator carefully by starting at the
evaporator inlet and then unlocking the lid counterclockwise along the edge.
DOMETIC SPX 1200-T SERVICE MANUAL
REPAIR INSTRUCTIONS
REPLACING THE CONTROL PBC
Instructions valid for
SKUs:
9600026439, 9600025657,
9600011575, 9600049687
Recommended Tools: Screwdriver Torx 25
Phillips head screwdriver (preferably PZ 2)
Socket wrench SW 8 mm
Side cutter
6 pieces of cable tie (150 mm x 2.5 mm)

Dometic SPX 1200-T Specifications

General

Brand	Dometic
Model	SPX 1200-T
Category	Automobile Accessories
Language	English

Summary

Safety and Warnings

Safety Instruction Warning

Indicates a hazardous situation that, if not avoided, could result in minor or moderate injury.

ESD Precautions

Disconnect power supplies and use an ESD wristband to prevent electrostatic discharge damage to components.

Control PCB Replacement Steps

Disassemble Top Cover

Release the 10 fastening screws and disassemble the top cover.

Release EPP Top Cover

Carefully release the EPP top cover above the evaporator by unlocking the lid counterclockwise.

Remove Metal Holder Fasteners

Release the 2 fastening screws of the metal holder.

Cut Cable Ties

Carefully cut the marked cable ties securing components.

Disconnect Temperature Sensor

Carefully remove the marked plastic clip with the temperature sensor from the evaporator.

Remove Control PCB Holder

Carefully lift the black metal holder with the control PCB and remove the marked plug.

Disconnect Plugs and Cable Ties

Cut the two cable ties and carefully remove the marked plugs from the control PCB.

Disconnect Connection Cable

Release the 2 fastening screws of the connection cable.

Remove Old PCB

Release the 3 nuts and exchange the control PCB incl. metal holder.

Install New PCB and Connect Cables

Place the new PCB, install spacers, and reconnect cables following reverse steps.

Reassembly and Testing

Final Checks

Ensure no cables are pinched and all loose parts are removed during reassembly.

Function Test

Check the function in a concluding test run after reassembly.