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HE-800A
14. ERROR CODE TABLE
86
Code Cause Remedy
E-20 Feed and work clamp motor overcurrent
1. Turn off the power and check that the feed mechanism is
normal and that the work clamp moves smoothly.
2. Check that connectors P2 and P5 on the sub P.C. board
are properly connected.
3. Check that connector P22 on the main P.C. board and
connector P10 on the sub P.C. board are properly
connected.
E-21 Zigzag motor overcurrent
1. Turn off the power and check if the zigzag mechanism
moves smoothly.
2. Check that connector P16 on the main P.C. board is
properly connected.
E-30 Treadle is depressed to step 2.
1. Return the treadle to the neutral position.
2. If an error still occurs after 1. is carried out, check that
connector P7 on the main P.C. board is properly
connected.
E-31 Treadle is depressed to step 1.
1. Return the treadle to the neutral position.
2. If the error still occurs after step 1 is carried out, adjust the
threshold value for memory switch No. 08 to a positive
value.
3. Check that connector P7 on the main P.C. board is
properly connected.
E-32 Treadle is depressed backward.
1. Return the treadle to the neutral position.
2. If the error still occurs after step 1 is carried out, adjust the
threshold value for memory switch No. 07 to a negative
value.
3. Check that connector P7 on the main P.C. board is
properly connected.
E-40
Control circuit board heat sink is
overheating.
1. Turn off the power and check that the inside of the control
box is being properly ventilated.
2. Clean the filter of the air intake and the cooling fan.
(Remove dust.)
E-41 Inside air circulation fan problem
1. Turn off the power and clean the inside air circulation
cooling fan. (Remove dust.)
2. Check that connectors P13 and P20 on the main P.C.
board are properly connected.
3. Check that connectors CN2, CN3 and CN4 on the 1-step
power supply circuit board are properly connected.
E-42 Exhaust fan problem
1. Turn off the power and clean the exhaust cooling fan.
(Remove dust.)
2. Check that connectors P1 and P20 on the main P.C. board
are properly connected.
3. Check that connectors CN2, CN3 and CN4 on the 1-step
power supply circuit board are properly connected.
E-44
2-step power supply circuit board +55V
relay error
1. Turn off the power.
2. Check that connector P3 on the sub P.C. board is properly
connected.
3. Check that connectors P3 and P4 on the 2-step power
supply circuit board are properly connected.
4. Check that connectors P10 and P13 on the sub P.C. board
are properly connected.
5. Check that connectors P22 and P23 on the main P.C.
board are properly connected.
* This error can occur if a three-phase sewing machine is
used with a single-phase power supply.
E-51 X pitch error
Turn off the power and initialize the parameter settings.
E-52 Y pitch error
Turn off the power and initialize the parameter settings.
E-53 Multi-working knife error
Use the programming device (the programming software for
the electronic pattern sewer or a programmer) to delete
multi-working knife operations.
E-54
Overall cycle program stitch no. error
(Exceeds 3,000 stitches.)
Clear the cycle program to reset the error automatically.