


Operating instructions on how to replace replacements
The fan makes noise?
The machine needs to replace a new fan. Please send message to us. You can also replace a 4010 axial fan with 12V, R5000 rpm, cable length 350mm, 20AWG, 2pin and XH2.54 male terminal.
The screen appears E1 error?
This is caused by a damaged thermistor on the motherboard. The machine needs to replace a motherboard and heating board. Please send message to us.
Machine does not run or shuts down on its own?
It is a high probability that the motherboard damage caused by the failure, but there may be other reasons. It is recommend to send message to us directly and provide us a video description for judgement.
The machine cannot be turned on?
1. Please check whether the indicator light of the adapter on after plugging in the power.
2. Please provide us a video of the machine motherboard not lighting up after power on for judgment. We need more information to draw a conclusion.
1 Year.
The support is not a one-time thing. If you have already applied for support service, you can request it again if there is any fault in the machine during the 1 year period.




Operating instructions on how to replace replacements
COMGROW dryer box
Replace the heating board for dryer box
COMGROW dryer box
Replace the motherboard for dryer box
The fan makes noise?
The machine needs to replace a new fan. Please send message to us. You can also replace a 4010 axial fan with 12V, R5000 rpm, cable length 350mm, 20AWG, 2pin and XH2.54 male terminal.
The screen appears E1 error?
This is caused by a damaged thermistor on the motherboard. The machine needs to replace a motherboard and heating board. Please send message to us.
Machine does not run or shuts down on its own?
It is a high probability that the motherboard damage caused by the failure, but there may be other reasons. It is recommend to send message to us directly and provide us a video description for judgement.
The machine cannot be turned on?
1. Please check whether the indicator light of the adapter on after plugging in the power.
2. Please provide us a video of the machine motherboard not lighting up after power on for judgment. We need more information to draw a conclusion.
1 Year.
The support is not a one-time thing. If you have already applied for support service, you can request it again if there is any fault in the machine during the 1 year period.





































