92
TK 56704-1-OP-EN
N
No
otte
e:: You can cancel defrost by turning the unit off, then restarting the
unit.
c. The evaporator is plugged with frost. Initiate a manual defrost cycle.
The defrost cycle will be automatically terminated.
d. Improper air circulation within the cargo compartment. Inspect the
cargo compartment (if possible) to determine if the evaporator fans
are working and properly circulating the air. Poor air circulation can
be due to improper loading of the cargo or shifting of the load, or the
fan belt slipping
e. The unit did not start automatically. If the unit cranked without
starting, determine and correct the cause for not starting.
f.
The unit may have a low refrigerant charge. If liquid is not showing in
the unit receiver tank sight glass, the refrigerant charge may be low.
Adding refrigerant or repairing the refrigeration system requires a
competent mechanic. Refer such problems to the nearest Thermo
King dealer or authorized Service Center, or call the Thermo King
Cold Line telephone number shown on the inside back cover of this
manual for referral.
N
No
otte
e:: If the temperature in the compartment is not within the desired
temperature range, repeat the Enroute Inspection every 30
minutes until the compartment temperature comes within the
desired temperature range.
IIm
mp
po
orrtta
an
ntt:: Stop the unit if the compartment temperature remains
outside the desired temperature range from the setpoint on
two consecutive 30 minute inspections. Contact the nearest
Thermo King Service Center or your company office
immediately. Take all necessary steps to protect and
maintain proper load temperature.
3. Initiate a Manual Defrost cycle after each Enroute Inspection.
Summary of Contents for T-1090 SPECTRUM
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