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TOUCH SCREEN CONTROLLER INSTRUCTIONS
4. Error code checking: under the main interface, press the SET button for short, user can check the error
code of ventilator, refer to below table.
5. Bypass setting: when bypass is on, the triangle bypass symbol appears, when bypass is off, the sym-bol
disappears.
6. Filter alarm: When running time of ventilator is over the setting filter alarm time, the filter alarm symbol
flashes to remind user clean/replace the air filters. After filters being cleaned/replaced, please sweep the
filter alarm by setting parameter Number 24, value 1.
Code
E1
E2
E3
E4
E5
E6
E7
E8
Error
Fresh air temperature sensor error
EEPROM error
Return air temperature sensor error
Exhaust air temperature sensor error
Communication error
Supply air temperature sensor error
Exhausted fan error
Supply fan error
EN
19
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