900001 -Card Reader error
Open top of ATM
With ATM open standing on Right side of ATM (see pictures below for ease of access to card reader)
Insert and remove repeatedly card reader cleaner and look closely at card reader.
There is a spring loaded sensor that detects inserted card at rear of card reader
There are 9 brass or silver spring loaded pins on underside of card reader that read the chip.
Action: Unplug and re-seat cables. Reboot ATM (card reader will initialize during boot process may reset error)
Comments: Usually a piece of debris is obstructing reader
Card reader can easily be removed with a Phillips "star" head screwdriver for closer inspection
Most blockages can be cleared without removing card reader
Flashlight may be helpful
Alcohol soaked Cotton swap or microfiber cloth to clean contacts if you don’t have Chip reader cleaning cards.
CHIP Card Reader
Metal cover protects circuit board on top. 4 “star” Phillip screws secure reader into ATM plus a grounding wire which all must be removed to take out reader.
Remove / pull out wire
Clean CHIP pins
Turn over to examine CHIP reader pins..
2 rows of 4 brass spring loaded pins read CHIP on card. 1 pin at rear detects card inserted in reader.
MAG reader at front is not used for CHIP transactions.
Remove screw and pivot open front for easy access to card reader.
Pull top forward to easily access card reader for service.