RUN NOW Excite +: Technical Service guide - rev. 6.2
Page 6.21
6.12. DRIVER ERRORS
6.12.1. ALE MET
When the Driver detects an error, it stops and interrupts the power supply to the tread belt and elevation
motor and an error code identifying the fault condition is saved in the error history log. In addition, it sends
an error status signal to the CPU/ARM board via the serial link. Upon receiving this error signal, the
CPU/ARM board halts the exercise and shows the “THE EQUIPMENT IS BLOCKED” message on the
display.
The errors logged by the inverter can also be viewed as described in the relevant paragraph of the Service
menu.
The following table provides the correspondence between error codes, meaning and possible solutions:
Error Description Possible solution
01 1/OH
OVERHEATING of the heat sinks of the
low kit driver and of the PFC.
• Check the running belt;
• Check the running deck;
• Check the fans;
• low kit driver;
02 2/OC
OVERCURRENT, even if only
temporary, on the inverter output.
• Check the running deck;
• low kit driver;
• Check P409 (torque) = 100-115;
03 3/UU
UNDERVOLTAGE condition, due to an
even temporary drop in line voltage.
• Bad power distribution line of
110/220 Vac;
• Voltage NOT constant;
04 4/OU
OVERVOLTAGE
• Voltage NOT constant;
• Braking resistor.
05 5/ST
SERIAL TIMEOUT, there is no signals
exchange between high kit and low kit
• Check the serial communication.
06 6/PE
EEPROM error: is generated when there
is an error detected in the data stored on
• low kit Driver.
07 7/EdC1
ELEVATION MOTOR ENCODER
error.
• Check Up/Down Troubleshooting.
08 8/EdA
BELT MOTOR ENCODER error.
• low kit Driver;
• Check P409 (torque) = 100-115.
09 9/OtM
BELT MOTOR THERMAL CUT-OUT
open.
• Check motor casing fan;
• Check the running belt;
10 10/Oli
Inverter overload caused by a DC current
exceeding, for the maximum allowed
time (I2t), the maximum permissible
threshold for the inverter.
• (*).
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