Impulse DO3623R ユーザーズマニュアル

20 

R

Check the relative humidity in the store. 

Check that all of the hoses are connected. 

Check that the drain trap is free of debris. 

  

Check that the case is aligned properly. 

Check that nothing is obstructing the blade rotation. 

Check that the fan shroud is properly secured. 

Confirm the utility power is on. 

Check that the MAIN power switch is on. 

Check that the unit is properly plugged in. 

Check the circuit breaker box for tripped circuits. 

Check that the MAIN power switch is on. 

Determine if there is ice build up blocking the fan. 

Check bulbs for proper installation and connection. 

Check for burned out bulbs. 

Clean dirt and dust from the bulbs to prevent flickering. 

 

LED dF  flashing, Controller is in defrost mode (not an alarm).  
Compressor is running in a normal condition. 

Check that the power is turned on. 

Review factory time settings on the CPC controller.