17
Problem
Potential cause
Solution
The machine will not
switch on
A. Inadequate voltage or
blown fuse
B. Defective cable
C. Regulator fault
A. Check voltage and fuse
B and C. Contact the
Technical Services
Department
The machine will not
commence cooling
operations
A. Set Point too high
B. Fault in regulator
parameters
C. Refrigeration-circuit
fault
A. Lower Set Point
B and C. Contact the
Technical Services
Department
The machine will not
commence heating
operations
A. Set Point too low
B. Fault in regulator
parameters
C. Heating-circuit fault
A. Raise Set Point
B and C. Contact the
Technical Services
Department
The machine’s
compressor or external
casing are too hot
Machine inadequately
ventilated, or exposed to
sunlight or other heat
source
Move machine to another
location
Internal temperature of
the machine and the
temperature displayed
on the regulator do not
match
Internal temperature of
the machine calibrated
incorrectly
Contact the Technical
Services Department
