76
TK 61738-2-OP-EN
2. Repeat the Enroute Inspection every 30 minutes until the compartment
temperature is within the desired temperature range. Stop the unit if the
compartment temperature is not within the desired temperature range
on two consecutive 30 minute inspections, especially if the compartment
temperature appears to be moving away from the setpoint.
3. Immediately contact the nearest Thermo King Dealer or your company
office.
4. Take all necessary steps to protect and maintain proper load
temperature.
N
NO
OT
TIIC
CE
E
C
Ca
arrg
go
o L
Lo
ossss!!
Stop the unit if the compartment temperature remains higher than the
desired temperature range from the setpoint on two consecutive 30 minute
inspections. Contact the nearest Thermo King Dealer or your company
office immediately. Take all necessary steps to protect and maintain proper
load temperature.
Table 4.
Inspection Troubleshooting
Problem: A return air temperature reading is not within desired
temperature range of the setpoint.
Cause
Remedy
The unit has not had
time to cool down to
correct
temperature.
Refer to the load log history. Look for above temperature load
records, properly pre-cooled cargo compartment, length of time on
road, etc. Correct as required. Continue monitoring return air
temperature until the reading is within the desired temperature
range of the setpoint.
Note:
Ensure cargo is properly pre-cooled prior to loading onto
trailer. If 'warm cargo' is loaded onto trailer and reefer is
used to cool to setpoint this will result in longer time required
to cool down to correct temperature and possibly plugging of
evaporator with frost due to increased humidity in trailer
compartment.
The unit may have a
low refrigerant
charge.
Check the receiver tank sight glass for refrigerant level. If fluid is
not showing in the receiver tank sight glass, the refrigerant charge
may be low. A competent refrigeration technician is required to add
refrigerant or repair the system. Contact the nearest Thermo King
dealer, authorized Service Center, or call the Thermo King Cold Line
for referral. Consult the Table of Contents for Cold Line information.
The unit is in defrost
or has just
completed a defrost
cycle.
Monitor the return air temperature after the defrost cycle is
completed to see if the temperature returns to the desired
temperature range of the setpoint.
Содержание Thermo King A Series
Страница 90: ...90 TK 61738 2 OP EN N No ot te es s...
Страница 91: ...TK 61738 2 OP EN 91 N No ot te es s...