JMQ A7 PLUS Instruction Manual page 25

Explosion-proof
protection: The
drive
circuit
E6 damaged due to
abnormal power
supply
or
motor.
Indicates
the
watch does not
detect the safety
lock signal.
E7
Possible reason: Check if the power
motor supply voltage is lower than 50% of the
is normal voltage. Please retest with the
correct voltage specification; check the
controller for odor, replace the controller;
voltage check if the motor cable is connected
abnormal and reconnect the motor cable.
that The
electronic magnetron is installed in the correct
position, and the magnet is placed.
magnetron
24
is damaged, the