Zybio Z3 - 6.6 Power Board Overview and Replacement

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problem. Also many errors need to be detected by software.
Check the following items before troubleshooting the main control board:
 Check whether the cables connecting to the motor drive board get loose or insecure.
 Check whether the position No. marked on the cable correspond to the sockets there
are connected to; and whether the cables are broken or damaged;
 Check whether the input power of socket J9 on the board is normal (measure the
voltages with a multimeter).
 Check whether the indicators on the motor drive board work properly against Table 6-6.
When you have confirmed all the cables are properly connected, all the input power and indicators
work normally, follow the instruction in Table 6-8 for troubleshooting.
Table 6-8 Troubleshooting for motor drive board
Error
Troubleshooting
Solution
Valves,
pumps
or
motors
do not
work
1. Turn off power, check if communication cable of motor
drive board and main control board is connected well,
then reconnect it. Turn on power to check if problem is
solved. If can’t solve problem, proceed to next step.
Reconnect motor drive
board and main control
board communication
cable
2. Replace motor drive board to check if problem is
solved. If can’t solve problem, proceed to next step.
Replace motor drive
board
3. Replace main control board to check if problem is
solved.
Replace main control
board
6.6 Power board
6.6.1 Introduction
The power board provides the analyzer with 6 units of reliable power output, including DC 5V, +12V,
-12V, DC110V and 24V.
Definition of interfaces
There are 2 interfaces to external systems on the power board.AC-L and AC-N are AC input connecting
cables, wiring from the side of the board to the sockets. The interface positions on the power board
are illustrated as below: