Troubleshooting
A COATS® Service Technician may ask for informa-
tion to help diagnose service concerns (please contact
COATS directly at 1-800-688-9240 for the Certified
Service Partner nearest you). Conveying this informa-
tion to your service technician prior to servicing can help
to expedite service to your equipment. Although much
of the diagnostic information aids your COATS Service
Technician, several remedies for balancer misfunctions
are available to the operator.
Error Messages - One of the following error mes-
sages, shown in the display windows, may appear
indicating a problem with the balancer.
Note: Always, after receiving an error message, repeat
the procedure to see if the error is eliminated.
Error
E1 Spin up is too slow - Verify power supply
to balancer and motor connection
E2 Spin up time too long - Check Wheel DIA
and power supply - press STOP - EXIT
E3 No rotation signal - Check motor &
encoder function & wiring -press STOP -
EXIT
E4 Wheel rotation direction is reversed -
Disconnect power and correct wiring
E5 Stop time too long - Verify power supply
and motor connection - press STOP - EXIT
E6 Encoder is not connected or has failed -
Disconnect power supply and repair
E9 Wheel coast speed is too slow
E11 User cancelled the operation
E20 Arm scale is out of range
E24 Lower hood to spin
E25 Loose hub nut. Tighten hub nut and respin
E26 CAL ERROR
Err Hod Hood switch is not closed when machine
cycle is started - Lower hood to spin -
Verify hood switch
Err Hub No load condition detected - Verify wheel
mounted properly on the shaft - Check
repeatability
Err Ad No dimension input
Inverter Fault-Please Wait ...
Inverter
Error
Important: Always read and follow instructions.
Description
Error
100, N01, CAL Exceeded 5 degree range
between placement of calibration
weight from outside flange to
inside flange.
100, N02, CAL Calibration wheel is more than
1-ounce out of balance. Calibration
is rejected.
100, N03, CAL Calibration wheel is more than
0.25-ounce but less than 1-ounce
out of balance. Calibration is
stored, but with warning.
Inverter Error - An inverter error occurs when one of
several fault conditions is detected by the inverter; such
as, low line voltage, motor over temperature, motor
overload or motor drive over temperature. The balancer
will not respond to inputs until the fault condition is
corrected. The balancer will clear this error as soon as
possible and indicate that with the following message:
Inverter Fault Cleared. Press Any Icon
Overload Protection - The balancer's motor is over-
load protected per UL requirements. After 4 to 5 min-
utes the machine automatically resets itself; activating
the fan motor. If this happens, notify your Certified
Service Partner immediately.
Important: Allow the fan to cool the motor for at least
30 minutes before using the balancer so the overload
protection is not tripped again.
Description
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