【Check 7】Inspection between power supply and control assembly.
1.<Voltage from power supply to control assembly>
◇Checking points.
Voltage measurement in RED (+) and BLACK (-)
(Fig.7)
(Ambient temp 25℃)
Judge
2.<Voltage from control assembly to power supply>
◇Checking points.
Voltage measurement in ORANGE (+) and BLACK (-)
(Fig.7)
(Ambient temp 25℃)
Judge
【Check 8】 Inspection of fan motor
◇Checking point
If want to check the start-up of the fan motor directly,
can check by connecting the DC12V directly. (Fig.8)
Judge
5. CHECK POINT
＆
CHECK METHOD
Test result
Fan moter broken
Does not move or rotates
slowly
Test result
At DC12V = DC12V
Normal
At DC24V = DC24V
Different from the above voltage
Power Supply is broken
0V
17
Test result
At DC12V = DC12V
Normal
At DC24V = DC24V
Different from the above voltage
Control assembly broken
0V
Fig.7
Fig.8
Blower Fan
Cooling Fan
・Please be careful not to mistake the polarity of the
power supply.
・When connect with DC24V or wrong polarity,
fan motor will fail.
・Please use such as support coupler so as not to
short-circuit power.
