Troubleshooting - Quality Heating QH-FR Series Manual

Troubleshooting

Problem
The panel makes noise
when connected to power.
The surface of the panel
has been increased.
The surface of the panel
is slightly warm
No temperature display in
the app
Rode
Due to the structural
stress of the heat
insulator.
Due to the thermal
expansion of the surface
material
1. the voltage is low.
2. In a low temperature
environment.
1. no connection to the
wifi.
2. Thermostat is off.
35
Measure
This is a normal
phenomenon.
Don't worry about it.
It is a normal
phenomenon.
Don't worry about it.
1. Install a voltage
regulator
2. It is a normal
phenomenon.
Don't worry about it.
1. Check your WiFi
connection to the panel
2. Turn on the remote
control.