F1 : 15A
<TNW4EA
TNW5EA>
F5 : 3A
F
7 : 3A
F
2 : 15A
F
3 : 15A
F
4 : 15A
F
1 : 15A
<TNW6EA
TNW7EA>
F5 : 3A
F
7 : 3A
F
2 : 25A
F
3 : 25A
F
4 : 25A
DC12V
F6: 10A (slow-blow fuse)
Trouble Remedy
Cooling performance is poor
An abnormal noise is heard.
(2) Other troubleshooting
The fuses are installed in the control box of the condensing unit.
31
--
Troubleshooting
(1) Frost has built up on the evaporator. If frost has built up, carry out manual
defrosting.
(2) The door of the cooling van is not tight, causing outdoor air to enter. Inspect
and repair so that there are not clearances.
(3) Check whether there is any dirt or mud on the condenser coils. If there is,
wash it off with water and a brush.
(4) Compressor revolution is low as lts belt loosens and slips. If it slips, tense the
belt again.
(5) Check whether the cold air passage is blocked.
Load the cargo so that the cold air can circulate to all corners of the room.
(Refer to page 33.)
(6) Check the sight glass for bubbling and the check color during operation.
If there are many bubbles or if the check color is yellow, contact your dealer.
(1) Inspect whether any of the installation bolts are loose. Tighten if they are
loose.
Fuse installation position
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