49
PROBLEM
SOLUTION
PROBABLE REASON
• The machine does not
reach the set temperature.
• The cooling system is not work-
ing correctly (continual request
for “hot”, the temperature does not
rise).
• The temperature adjustment sys-
tem does not carry out the requests
for hot or cold correctly.
• The internal fan is not working.
• Some other reason not mentioned
above.
• Check the maximum and minimum set temperature
values on the hardware thermostat. If this does not
resolve the problem, contact your technical assistance
service.
• Contact your technical assistance service.
• Contact your technical assistance service.
• Contact your technical assistance service.
• The machine does not
reach the set humidity.
• Error in setting of setpoint.
• The wet bulb gauze is dirty or badly
positioned.
• The wet bulb gauze is dry because
there is no water in the supply pipe.
• Error in temperature control. In this
condition there is also an error in
humydity control.
• The test material prevents air from
circulating correctly.
• The test material dissipates too
much heat.
• The door is not shut correctly.
• Continual request for “humid, (the
dehumidification system is not
working correctly).
• Continual request for “dry”, (the
dehumidification system is not
working correctly).
• The humidity adjustment system
does not carry out the requests for
humid or dry correctly.
• Check and modify.
• Check and reposition correctly or replace.
• Contact your technical assistance service
• Follow the “solutions” given for “the machine does not
reach the set temperature value”.
• Place the material so that air can circulate through the
intake and outlet openings.
• Check and reduce the load that dissipates the heat
according to the technical specifications of the cham-
ber.
• Close the door correctly.
• Contact your technical assistance service.
• Contact your technical assistance service.
• Contact your technical assistance service
• The machine is noisy.
• The chamber is not resting correctly
on the floor.
• Contact with foreign bodies.
• Fault in the mechanical parts.
• The chamber has been placed on a
site with a lot of reverberations.
• Check.
• Check that foreign bodies, such as cartons or other
structures are not touching the equipment thus causing
vibrations during operations.
• Check that moving mechanical parts e.g. fans are not
making a noise.
• Contact your technical assistance service.
• The light does not switch
on.
• Lamp burnt out.
• Faulty switch.
• Replace the lamp.
• Contact your technical assistance service.