Rittal SK 3201.200 Assembly And Operating Instructions Manual - 17 Fault Correction
17 Fault correction
Rittal Thermoelectric Cooler assembly and operating instructions
17
GB
17 Fault correction
Tab. 5: Fault correction
Fault description
Possible cause
Correction
The unit does not switch on.
No power supply.
Check the mains connection and the
pre-fuse.
The unit does not cool adequately.
The air circulation in the enclosure is
impaired.
Check the air circulation inside the
enclosure. Check, in particular, those
components equipped with a fan.
Check the free spaces above and
below the main heat dissipation
sources.
Ambient temperature too high.
Reduce the ambient temperature.
Protect the unit from radiation heat
caused by direct sunshine and hot
surfaces.
Filter equipment contaminated.
Check the filter and, if necessary,
clean or replace.
Internal fan defective.
Replace (Rittal Service).
External fan defective.
Replace (Rittal Service).
The heat produced in the enclosure
exceeds the cooling capacity of the
Peltier cooling unit.
Reduce the heat loss.
Condensation.
Enclosure leakages.
Check the enclosure for leaks (IP 54).
Check, in particular, the cable entry
points for leaks.
Internal temperature of enclosure set
too low.
Check the set enclosure internal
temperature (factory setting: +35°C).