Yamaha error codes

Yamaha PW-series mid-drive motors (PW-X3, PW-S2, PW-ST/TE/CE, PW-X2, PW-SE)

12 Display cannot talk to the drive unit medium
13 Display not compatible with drive unit medium
31 Torque sensor fault high
32 Torque sensor fault high
33 Torque sensor fault high
34 Torque sensor fault high
35 Torque sensor fault high
36 Torque sensor fault high
37 Torque sensor fault high
38 Crank sensor fault high
39 Crank sensor fault high
61 Controller fault high
63 Controller fault high
64 Controller fault high
66 Controller fault high
62 Motor fault high
67 Motor fault high
68 Encoder (motor position sensor) fault high
71 Battery fault high
73 Battery fault high
74 Battery fault high
79 DC/DC converter fault high
SPD SNSR Speed sensor: check magnet medium
IFX-SYSTEM Interface X: system problem (all lamps red) high
IFX-BATTERY Interface X: battery problem (both indicators flash) high
IFX-TURQUOISE Interface X: rightmost lamp flashes turquoise medium
A:#### Automatic Support indicator flashing / 'A:####' shown medium
ER 'Er'/'ER' alternating with the main display high

Systems and displays covered

PW-SE / PW series SE – 2016+ drive unit
PW-X / PW-X2 – eMTB drive units
PW series TE / CE / ST – City/trekking drive units
Display X – Small LCD display (PW-X)
Display A – Larger LCD display
Display C – Compact LCD display
Interface X (X2Y) – LED switch/display for PW-X2/X3/ST/TE/CE