The hour wheel and the pinion of Check the relevant parts, and
the minute wheel are not properly replace the damaged parts with
engaged. (Or the teeth of the hour new ones.
wheel and/or minute wheel have
been broken.)
The hooking portions of the Securely attach the hooks of the
circuit block cover are not circuit block cover to the main
properly engaged, resulting in plate.
poor conductivity.
The coil is broken. Measure the coil block resistance.
Replace the coil with a new one.
One or more wheels have been Remove dirt or dust and clean the
contaminated with dirt, dust or contaminated wheels. Be careful
other particles. so as not to damage the teeth of
the plastic parts while cleaning.
An excessive amount of oil in the
movement has caused adhesive
forces among the parts. (wringing)
The current consumption Dirt, dust or foreign particles are Remove dirt, dust or foreign
for the whole movement adhered to the movement. particles and clean the movement.
exceeds the standard The driving pulse is generated in If the current consumption for
value. order to compensate the excessive the circuit block alone is within
load applied to the wheels. (The the standard value range,
oil has deteriorated, leaked or run overhaul and clean the movement
out.) parts, and then make the
measurement again.
The current consumption The light f rom out side the Shut out the light, and make the
for the circuit block alone movement is affecting the measurement again.
exceeds the standard measurement.
value.
There is a defect in the IC Replace the circuit block with a
( integrated circuit ) . new one.
19/20
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