WIKA Mobile Control LP  
1540 Orchard Drive 
Chambersburg, PA 17201 
 
qSCALE maestro (PLC v01.00.00) Service Manual / Issue E (HMI v1.0.0) 04/2018 / rbm.
 
Service : (717) 217-2250 
Parts / Sales : (717) 217-2269 
www.wika-mc.com 
 
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HIRSCHMANN MCS 
6.9  No Console Display 
 If the console never displays an image, check if power is being supplied to the console. Measure the 
voltage between Pin 1 (+) and Pin 3 (GND).  If power is being supplied, the console must be replaced. 
If power is not being supplied, trace the wiring to determine why.