Stihl RZA 748 Instruction Manual - Page 49

Left Wheel Motor Controller Error Codes

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Error Codes TR A3 TR A4 TR A9 TR D2 English Front ETO Contactor • Please check front ETO port and ensure it is free of debris Coil Driver Short/Open and restart mower. • If error persists, contact your authorized STIHL servicing dealer and discontinue use of the mower. Mower is disabled while error is present. Auto power off Contactor Coil Driver Short/Open • Please restart mower. • If error persists, contact your authorized STIHL servicing dealer and discontinue use of the mower. Mower is disabled while error is present. Right Wheel Motor Controller Coil Supply • Please restart mower. • If error persists, contact your authorized STIHL servicing dealer and discontinue use of the mower. Mower is disabled while error is present. Right Wheel Motor • Please restart mower. Controller Phase PWM • If error persists, contact your authorized STIHL servicing Mismatch dealer and discontinue use of the mower. Mower is disa- bled while error is present. 12.5 Left Wheel Motor Controller Error Codes Error Code TL 12 TL 13 TL 14 TL 15 TL 16 TL 19 TL 1A TL 1D Error Left Wheel Motor Controller Overcurrent Left Wheel Motor Controller Current Sensor Abnormal Left Wheel Motor Controller Precharge Failed Left Wheel Motor Controller Severe Undertemp Left Wheel Motor Controller Severe Overtemp Left Wheel Motor Controller Speed Limit Supervision Left Wheel Motor Not Stopped Left Wheel Motor Controller Reset Rejected Immediate Fix Solution during Operation • Please restart mower and attempt to reduce load. Mower is disabled while error is present. • Please restart mower. • If error persists, contact your authorized STIHL servicing dealer and discontinue use of the mower. Mower is disabled while error is present. • Please restart mower. • If error persists, contact your authorized STIHL servicing dealer and discontinue use of the mower. Mower is disabled while error is present. • Please ensure ambient temperature is above -40° F and restart mower. • If error persists, contact your authorized STIHL servicing dealer and discontinue use of the mower. Mower is disabled while error is present. • Please allow motor controller to cool and restart mower. Attempt to reduce load on left wheel. If these actions do not correct the error, contact your authorized STIHL servicing dealer and discontinue use of the mower. Mower is disabled while error is present. • Left wheel speed is faster than mower max speed. Restart mower and ensure mower is operating withing standard speed range. If error persists contact, contact your authorized STIHL servicing dealer and discontinue use of the mower. Mower is disabled while error is present. • Please restart mower. If error persists, contact your authorized STIHL servicing dealer and discontinue use of the mower. Mower is disabled while error is present. • Please restart mower. If error persists, contact your authorized STIHL servicing dealer and discontinue use of the mower. Mower is disabled while error is present. 49

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49
English
Error Codes
TR A3
Front ETO Contactor
Coil Driver Short/Open
•
Please check front ETO port and ensure it is free of debris
and restart mower.
•
If error persists, contact your authorized STIHL servicing
dealer and discontinue use of the mower. Mower is disa
-
bled while error is present.
TR A4
Auto power off
Contactor Coil Driver
Short/Open
•
Please restart mower.
•
If error persists, contact your authorized STIHL servicing
dealer and discontinue use of the mower. Mower is disa
-
bled while error is present.
TR A9
Right Wheel Motor
Controller Coil Supply
•
Please restart mower.
•
If error persists, contact your authorized STIHL servicing
dealer and discontinue use of the mower. Mower is disa
-
bled while error is present.
TR D2
Right Wheel Motor
Controller Phase PWM
Mismatch
•
Please restart mower.
•
If error persists, contact your authorized STIHL servicing
dealer and discontinue use of the mower. Mower is disa
-
bled while error is present.
12.5
Left Wheel Motor Controller Error Codes
Error Code
Error
Immediate Fix Solution during Operation
TL 12
Left Wheel Motor
Controller Overcurrent
•
Please restart mower and attempt to reduce load. Mower
is disabled while error is present.
TL 13
Left Wheel Motor
Controller Current
Sensor Abnormal
•
Please restart mower.
•
If error persists, contact your authorized STIHL servicing
dealer and discontinue use of the mower. Mower is disa
-
bled while error is present.
TL 14
Left Wheel Motor
Controller Precharge
Failed
•
Please restart mower.
•
If error persists, contact your authorized STIHL servicing
dealer and discontinue use of the mower. Mower is disa
-
bled while error is present.
TL 15
Left Wheel Motor
Controller Severe
Undertemp
•
Please ensure ambient temperature is above -40° F and
restart mower.
•
If error persists, contact your authorized STIHL servicing
dealer and discontinue use of the mower. Mower is disa
-
bled while error is present.
TL 16
Left Wheel Motor
Controller Severe
Overtemp
•
Please allow motor controller to cool and restart mower.
Attempt to reduce load on left wheel. If these actions do
not correct the error,
contact your authorized STIHL ser
-
vicing dealer and discontinue use of the mower. Mower is
disabled while error is present.
TL 19
Left Wheel Motor
Controller Speed Limit
Supervision
•
Left wheel speed is faster than mower max speed. Re
-
start mower and ensure mower is operating withing stand
-
ard speed range. If error persists contact, contact your
authorized STIHL servicing dealer and discontinue use of
the mower. Mower is disabled while error is present.
TL 1A
Left Wheel Motor Not
Stopped
•
Please restart mower. If error persists, contact your
authorized STIHL servicing dealer and discontinue use of
the mower. Mower is disabled while error is present.
TL 1D
Left Wheel Motor
Controller Reset
Rejected
•
Please restart mower. If error persists, contact your
authorized STIHL servicing dealer and discontinue use of
the mower. Mower is disabled while error is present.