Calibration failed (179/56)

Edukits EDU09
1 
Calibration results:
CH1 offset at 2V/div      :	179	FAIL
Rounds :	51
CH1 offset at 1V/div   :	56	FAIL
Rounds :	51
CH1 Y-position low, CH1_DAC1	29	83
Rounds :	51
CH1 Y-position mid, CH1_DAC0	29	179
Rounds :	51
CH1 Y-position high, CH1_DAC2	29	255
Rounds :	32

A 1.28
B 0.37 (and rising)
C 3.62 (and rising)
D 3.73 (and rising)
E 0.01
F 0.02

L1 gets very hot, quickly

2

I removed IC2 and put it back. The calibration is now successful and L1 no longer gets hot.

Calibration results:
CH1 offset at 2V/div      :	135	OK
Rounds :	8
CH1 offset at 1V/div   :	-1	OK
Rounds :	7
CH1 Y-position low, CH1_DAC1	32	43
Rounds :	12
CH1 Y-position mid, CH1_DAC0	128	135
Rounds :	8
CH1 Y-position high, CH1_DAC2	224	227
Rounds :	4

I don’t know exactly what was wrong; I couldn’t see anything that looked out of place.