4
1. If installed, remove ISD plug from the receptacle located at the rear bottom of the unit.
2. To gain access to the LED wiring, face the back of unit. Remove the compressor cover by
removing the screws with a Philips screwdriver.
3. Inside the compressor compartment, you will see wire tubes with red and black wires at the end.
The tubes are located on the inner back right wall just above the fan assembly (figure 1).
Disconnect both the red and black wires from the terminal blocks. Before doing so, observe the
color connections of the two wires. Black wire must be connected to the black wire and red to red.
4. Open the freezer door to gain access to the interior LED strip located at both sides of cabinet.
Remove Lens and LED, then carefully pull the wires out of the plastic tube (figure 2).
5. Install the replacement LED strip in reverse order. Insert the LED wires into the tube located on the
bottom side of unit. Push wires through until you see the wires coming out of bottom end of wire
tube at unit rear. Place the LED strip and close with Lens.
6. Facing the rear of the freezer, pull the LED wires towards the LED driver. Connect the wires to the
terminal blocks. Remember, the black wire must be connected to the black wire and red wire must
be connected to the red wire.
7. Reinstall compressor cover and reconnect power supply.
9
REAR OF UNIT
FRONT OF UNIT
FIG. 1
FIG. 2
OUTPUT
INPUT
ISD RECEPTACLE
WIRE TUBE
LED DRIVER
TERMINAL BLOCK
FAN ASSEMBLY
INSERT NEW LED STRIP
WIRES INTO BOTTOM SIDE
WARNING
Disconnect the freezer from the power source. Failure to follow these instructions can result in death,
fire, or electrical shock.
INTERIOR LED STRIP REPLACEMENT
for online reference go to www.minusforty.com
TROUBLESHOOTING GUIDE CONT...
WARNING
Make sure freezer is disconnected from power supply before any service. Service to be conducted
by a certified technician only.
Problem
Possible Cause
Action
Condensation on glass door.
• Door not closing properly.
• Room humidity too high.
• Check the spring tension or any
obstruction
• To prevent condensation, room
humidity should be below 50%.
LED lights are not working.
• Burned out LED strip.
• Replace the LED strip. (See page 4)
Cabinet is noisy.
• Part(s) loose
• Tubing vibrating
• Locate and tighten loose part(s).
• Ensure tubing is not in contact with
other tubing or components.
Door does not close tight.
• Freezer is not level.
• Hinges are loose / not adjusted.
• Gasket is out of the groove.
• Level the unit (See page 2).
• Adjust / tighten the hinge screws.
• Check gasket condition. Adjust position
or replace gasket.
