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since ive had the machine everything has been working 100%, even test mode.
today i have tried to go into test mode (to light up bulbs as some have gone)and the alarm has gone off and on the display im getting error message: h/w input error 90
can anyone help me solve this problem??
the machine still works fine in running mode, its just during test mode and when i switch the refill key.
the machine i got is a red gaming machine 'sub zero' with a mpu5.
many thanks in advance!
