Golander
BT103S Manual
21
4) Do not use chemical solvents to clean pump and pump head.
8.3
Malfunction Solutions
No
.
Malfunctio
n
Description
Solution
1
Hardware
No display
1. Check the power cord
2. Check the fuse. If it was blown,
replace it with a 0.5A slow-blow fuse
3. Check the internal power cord
connection inside the pump.
2
Hardware
Motor does
not work
1. Check the indicator of the driver
board.
2. Check the wire connection
between the motor and the driver
board.
3. Check the wire connection
between the driver and the main
board.
4. Check the power voltage for the
pump.
3
Hardware
Motor only
runs in one
direction
Check the connection between the
drive board and the main control
board.
4
Hardware
Keypad
does not
work
1. Check the wire connection
between keypad and the main
board.
2. Check if the key is broken.
5
Hardware
External
control does
not work
1. Check the wiring of the connector.
2. Check if the external control
power voltage is provided.
3. Check the connections of the
external control board.
6
Hardware
RS485 com
does not
1. Check the wiring of the connector.
2. Check if the external control
