Error Messages
VTK-TR-BA-072e-1 - User Manual MDS 358X Series
11.2 Explanations of Error Messages
101 101 Incorr. Valve
This message sometimes appears during startup of the system. The control unit checks the
data of valve and control unit. If the control unit does not recognize the valve resp. the
required valve type (e.g. finds a low viscosity valve), the error message is displayed.
• The sensor connection has not been plugged in
correctly. Switch OFF control unit, and inspect the
connection. If the cable is damaged, it must be
exchanged before restarting.
• Maybe an inadequate valve type has been installed.
• Check MDC (if possible, test system with another MDC
• Send MDC and/or valve to VERMES Microdispensing or
to your supplier
Valve still open (start-up of the MDC)
102 102 Incorrect Piezo Type
The piezoelectric element does not match the current application (Valve Passport). This error
message appears with the start-up of the control unit.
• The sensor connection has not been plugged in
correctly. Switch OFF control unit, and inspect the
connection. If the cable is damaged, it must be
exchanged before restarting.
• Exchange valve
Valve still open (start-up of the MDC)
104 104 Sensor Communication Error
This error message appears, when there is a problem with the sensor cable.
Important Note!
This error message can also appear, when the MDC is connected to an MFC 3000 for cooling a
valve, and you switched ON the MDC too early.
When using an MFC for cooling, you always have to keep this order of steps:
1. Switch ON MFC
2. Switch ON the channel used for cooling at the MFC
3. Switch ON MDC
104 Sensor Communication Error
104 Sensor Communication Error
• The sensor connection has not been plugged in
correctly. Switch OFF control unit, and inspect the
connection. If the cable is damaged, it must be
exchanged before restarting.
• Exchange valve
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