Troubleshooting
Manual
TM
‐
12
‐
011
11
2.2 Unit Not Cold
Supposed
causes
The
possible
causes
are:
•
Compressor
jammed
•
Poor
ventilation
•
Short
body
•
Jammed
•
High
Ampere
Troubleshooting
Is
the
compressor
jammed?
Yes
Yes
Is
the
indoor
and
outdoor
unit
properly
ventilated?
No
Jammed
Check
the
compressor,
is
it
short
body?
Is
the
compressor
making
humming
noise?
Check
the
running
amp
of
the
compressor.
Is
it
within
specification?
Main
Short
body
Compressor
noisy
High
Amp
Yes
Yes
No
No
No
No
Yes
Unit
not
cold
Poor
ventilation
No
→
(v)
→
(iii)
→
(iv)
→
(vii)
→
(vi)