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9
5.8 Defrosting procedure: When the semiconductor refrigeration piece works for 24
hours, power off and stop defrosting for 10 minutes.
VENTILATION
When putting a TE cooler, ventilation should be considered seriously, please refer to the
following:
1. there should be left at least 200 cm
3
for ventilation
2. the distance between wall and cooler side should be at least 20 mm
3. the bottom should be left at least 50 mm for air flowing
4. air passing through must not be preheated
5. entire cooling system should be considered in the ventilation
TROUBLE SHOOTING GUILDS
Failure: no cooling
Possible reason
Action
No power
Check the electricity supply, or change a new plug.
PCB broken
Replace a new PCB.
Fan broken
Replace a new fan.
Leakage
Replace a new heat pump.
Cooling module broken
Replace a new cooling module with silicone.
Failure: poor cooling performance
Possible reason
Action
High ambient temperature
The room temperature is hotter than normal.
Poor instruction
The door is opened too often.
Poor ventilation
Install cooler according to our ventilation instruction.
Poor gasket
Replace a new door gaske.
Poor silicone
Change the silicone on the surface of the cooling
module.
Failure: noisy
Possible reason
Action
Dust
Clean the dust from the fan.
Fan broken
Change to a new fan.
Poor heat pump
Replace a new heat pump.