Ecoplus ZR9W-250T Instruction Manual page 18

.CONTROLLER INTRODUCTION
Solution for " PP04 " listed below:
1.3 Fault query
Solution of "PP04"
1. Bad connection between temperature sensor
lead wire and "SEN4" terminal on PCB board
(short circuit or open circuit), may cause
PP04.Please ensure the entire temperature
sensor lead wire in good condition and well
fixed on PCB board " SEN4"
terminal.
Solution for " PP05 " listed below:
1.3 Fault query
Solution of "PP05"
1. Bad connection between temperature sensor
lead wire and "SEN2" terminal on PCB board
(short circuit or open circuit), may cause
PP05. Please ensure the entire temperature
sensor lead wire in good condition and well
fixed on PCB board " SEN2"
terminal.
Solution for " PP08 " listed below:
1.3 Fault query
Solution of "PP08"
1. Bad connection between temperature sensor
lead wire and "SEN3" terminal on PCB board
(short circuit or open circuit), may cause PP8.
Please ensure the entire temperature sensor
lead wire in good condition and well fixed on
PCB board " SEN3" terminal.
BACK 1.3 Fault query
Solution of "PP04"
2. Internal damage on temperature sensor may
cause PP04. Please replace with new sensor .
If after trying all above solution, PP04 still
shows, please replace with a new PCB board.
BACK
1.3 Fault query
Solution of "PP05"
2. Internal damage on temperature sensor may
cause PP05. Please replace with new sensor .
If after trying all above solution, PP05 still
shows, please replace with a new PCB board.
BACK
1.3 Fault query
Solution of "PP08"
2. Internal damage on temperature sensor may
cause PP08. Please replace with new sensor.
If after trying all above solution, PP08 still
shows, please replace with a new PCB board.
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BACK
BACK
BACK