Fault situation
|
reason
|
Handing method
|
Turn on the power but machine doesn’t work
|
power is not normal
|
check and send power again
|
Controller no output
|
Check whether the controller PC board work
|
control power insurance burn damage
|
Check the reason on replace the fuse
|
The safety protection device does not work
|
Check safety precautions and hand reset
|
Not cooling or slow cooling
|
Refrigeration compressors are broken
|
Update or send to repair
|
snow kind of leakage
|
Inform the company or ask for professional maintenance
|
The air supply motor does not turn or reverse
|
Check the reason or update
|
The electromagnetic switch of the compressor is broken
|
Check the reason or update
|
The condenser is sticky with dust
|
use the high-pressure gas mouth to blown clean
|
machine Poor heat dissipation
|
Installation location not good, relocation installation
|
The temperature
can't reach or get out of control
|
Temperature overtemperature protection action
|
reset
|
Temperature SSR broken
|
Check and replace
|
Thermoelectric tube broken
|
Check and replace
|
The temperature contactor broken
|
Check and replace
|
Cryosystem failure
|
Inform the company or ask for professional maintenance
|
The humidity can't reach or get out of control
|
Humidity SSR damage
|
Check and replace
|
Humidity heating tube broken
|
Check and replace
|
Wet cloth absorbs water bad (hardening)
|
Check and replace
|
The water table was too high or too lo
|
Check and replace
|
Model
|
DH-150
|
Inner dimensions
W×H×D（mm）
|
500x500x600
|
Temperature range
|
-40C +150C
|
Humidity range
|
20%RH~98%RH
|
Stability
|
±0.5℃
|
Humidity
|
±2.5%RH
|
Uniformity
|
±1.0℃
|
Humidity
|
±1.0℃±2.0℃%RH
|
Warming time
|
20℃～100℃<40min
|
Cooling time
|
20℃～-20℃<60min
|
Cooling system
|
Original air-cooled closed compressor imported from Europe; fin evaporator caters as dehumidifier
|
Protection device
|
No fuse overload control insurance protection system. Equipping with compressor overheating, over-current, over-pressure,over-heated over-humidified , over-dried, over-temperature, water-lack alarming system
|
Controller Features
|
Using original imported temperature and humidity controller with touch interface , it owns 120 sets 1200 stages of program memory segment and can be repeated 999 cycles. While temperature and humidity can be controlled procedurally.
|
Heating / humidification system
|
heating: finned stainless steel air heating
humidification: sheathed stainless steel electric steam generating mode
|
Power supply
|
220V AC±10% 50HZ
|
