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TROUBLE DIAGNOSIS
CLAIMS.
3. Refrigeration
is weak.
CAUSES AND CHECK POINTS.
4) No cooling air circulation.
r Faulty fan motor.-- Fanis
F Fan shroudcontact, -Clanrano_.
/
cons_ined
_-Oam_ng e_porat_ c_ta_
L Accumulatedresidual fmsL
L Small cootingair
insufifdant F Fan overload. - Fanntsuse.
discharge,
motor RPM _ Badlowtermperature R PMsharacterklJcs.
_ Rat_ N_r
rn_susa.
I._volta_.
-- F_yf_.
i-Fan misuse,
_Bad shape.
I-Loose _an,
-N__
_ed.
Llnsert depth.
Shorud.-- Bent,
-- Iceand_eign rnate_ts an rota_ngparts.
5) Compressorcapacity.
F Ra_grn_se.
p smu: _ hac_
L Lowva_ge.
6) Refrigerant
F _
ofcha_m9c_
too much ortoo little.
_- Wmngset_gofref_gem_
Inaulf_iant compressor. - Faulty co_presso_
7) Continuous
operation
- No contact of temperature controller. - Foreign materials,
8) Damper opens continuously.
i Foreign materials
F-- P/Uliquddump.
jammed.
_
EPSwat_ sedime_
_-
S_ew,
Failed sensor.
- Position of sensor.
Characteristics
{_ Bad characteristics of its own temperatue.
of damper.
_
Parts misuse.
/
L_ Charge of temperature
- Impact.
characteristics.
9) Food storing place. - Near the outlet of cooling air.
HOW TO CHECK
• Check visually after
disassembly.
• Checkvisuallyafter
disassembly.
- 76 -
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