Fri-Jado Cold MCC, Service Manual

Page: 65 / 147

Rev 3 Service Manual MCC Hot / Cold 2021
Page 65
10.0
Trouble Shooting
10.0.0 Problems which can be checked by user
Each user can check the following points as mentioned in the user manual:
• Is the power supply OK?
• Check the fuses and the earth leakage switch in the meter cup board.
• Are all the switches in the correct “on” position?
Item Malfunction Possible action
Unit Unit does not work • Check the power supply.
• Are all switches in the correct position.
Unit Display shows error code • Contact your supplier or service agency.
Lamp Does not light up • Switch ON.
Mains cord Damaged • Replace.
Window Damaged • Replace.
10.0.1 Cold units
WARNING
All service operations on the refrigeration system and gas charging must be performed by
fully certified and qualified persons, in a well ventilated environment.
10.0.2 Replace the mains cord
WARNING
Hazardous electrical voltage.
If the mains cord is damaged, it must be replaced by a fully certified and qualified person,
in order to avoid hazards.
10.0.3 Error codes and solutions
See page 53
10.0.4 Heating element testing (Self Serve units)
Resistance
1. Remove wiring (two) from the element.
2. Connect the probe of the multimeter to each of the wires.
3. Test the probe with a Ohm tester, values see below.
Current
1. Place ampere pliers around red wire of Element.
2. In normal working condition, test current see below. (230V version)
MCC60 MCC90 MCC120
Shelf Power Current Resistance Power Current Resistance Power Current Resistance
Watt Ampere Ohm Watt Ampere Ohm Watt Ampere Ohm
Top 465 2,02 113,7 700 3,04 75,6 935 4,07 56,6
Middle 570 2,48 92,8 850 3,70 62,2 1130 4,91 46,8
Bottom 750 3,26 70,5 1125 4,89 47,0 1500 6,52 35,3