Brother International BES-963 Instruction Manual - English - Page 180
Wiper solenoid does not operate.
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Chapter 10 Troubleshooting Symptom Wiper solenoid does not operate. The lower shaft PCB is faulty. The lower shaft module is faulty. Measures • Check to see if connection from the wiper solenoid to connector P11 of the head PCB is proper. • Check the resistance value of the wiper solenoid which does not operate with the connector section. The normal resistance value is approximately 28Ω. If it is faulty, replace the solenoid with a new one. In this case, the head PCB may also be faulty. Also replace the head PCB with a new one if it does not operate properly even after replacing the solenoid. • Refer to the block diagram showing the cable connections and check to see if connection from connector P12 of the head PCB to connectors P7, 8, 13, 14, 15, and 16 on the power supply PCB in the control box is proper. • Replace the head PCB with a new one. 1. Turn off the power of the machine. 2. Disconnect P4 and P10 of the lower shaft PCB. If the lower shaft PCB is removed from the machine or P8 or P9 is disconnected, the lower shaft connected to other lower shaft PCB will not operate, either. 3. Turn on the power of the machine. The E-B2 error occurs and the green LED blinks with the head corresponding to the faulty lower shaft. Turn off the pause switch of the head (flip it down) and keep flipping up the mending switch until the green LED stops blinking. 4. If there is just one lower shaft PCB, reset the LEDs of the two heads and reset the error with the STOP key on the panel or the step back key of the head. 1. Turn off the power of the machine. 2. Disconnect P1, P3, and P5 (for a fixed bed) or P2, P4, and P6 (for a retract bed) connected to the lower shaft PCB from the faulty lower shaft module. 3. Turn on the power of the machine. The E-B2 error occurs and the green LED blinks for the bed corresponding to the faulty lower shaft. Turn off the pause switch of the head (flip it down) and keep flipping up the mending switch until the green LED stops blinking. 4. When the LED of the corresponding head stops blinking, reset the error with the STOP key on the panel or the step back key of the head. Note: The above operation will prohibit operation of the lower shaft connected to the faulty lower shaft PCB or the faulty lower shaft module and cause the corresponding heads to pause. This is reset when the power of the machine is turned on again. Start from the step 3 to prohibit the operation again. 178 BES-963BC • BES-1263BC