62-69137-00
14
The unit does not run until the malfunction has disappeared or been corrected.
Code
Description
Unit
shutdown
Checking
Mode
EE
Evaporator temperature probe
(open/short circuit)
Yes
－
Evaporator probe
and connections
280/350/400/500/700
EEE
Defrost terminal temperature probe
(open/shot circuit)
No
- Defrost probe and
connections
280/350/400
bAt
Battery low voltage alarm
YES
－
Battery voltage
－
Alternator
connections
280/350/400/500/700
con
Communication malfunction
No
- Communication line
280/350/400/500/700
Err
Programming mistake of the maximum
setpoint by user
Setpoint lower than minimum setpoint
but in the range -29°C /+30°C
No
－
Setpoint
280/350/400/500/700
7. MAINTENANCE
A comprehensive maintenance program will help to
insure that the unit continues to operate reliably. Such
a maintenance program will also help to control
operating costs, increase the unit's working life, and
improve performance.
NOTE
All maintenance services must be done by a technician
trained on Carrier products respecting all safety and
quality standards of Carrier.
Before any operation requiring an intervention on the
unit, check that:
- The unit (cab command) is OFF
- It is impossible for the unit to automatically start up
during maintenance.
7.1. Maintenance schedule
km
Mile
Initial
service
Service
A
Service
B
5000
3000
■
30000
18000
■
60000
36000
■
■
90000
54000
■
120000
72000
■
■
150000
90000
■
180000
108000
■
■
210000
126000
■
7.2. Service description
Initial service
•Check the tightness of bolts and
screws and that the unit is correctly
fastened onto the box.
•Check pressure leak.
•Check that the road compressor
RPM
•Check compressor belt tension.
Service A
•Clean up battery and battery clamps
•Check belt compressor tension
•Replace compressor belt every 3000
hours
•Check refrigerant leak
•Check all electrical connections
•Check the cooling mode
•Check the defrost operation
•Check the operation of the cab
control
•Clean up condenser coil
Service B
•Replace idler pulley bearings if any.
Every year
•Replace filter drier.
•Clean up the expansion valve orifice
filter.
Every TWO
years
•Replace compressor oil - only use
Polyolester oil (POE) approved by
Carrier Transicold.
•Replace refrigerant.
•Replace orifice expansion valve
Warning: Battery clamps must be well
positioned
and
tightened
after
cleaning up.
Refrigerant:
type R134a / R404A
Road compressor oil type:
The road compressors are
supplied with CARRIER POLYOLESTER (POE) oil.
The presence of a sticker indicates that oil-change has
been correctly carried out in our Carrier Transicold
