7 Troubleshooting
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287
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Fault
Code
Name Possible Causes Solution Level
Err69 ARD fault
Subcodes 22 and 103: ARD
communication fault
◆
Check the communication cable connection.
◆
Check whether the ARD power supply is nor-
mal.
◆
Check whether the 24 V power supply of the
controller is normal.
◆
Check whether there is strong-power inter-
ference on communication.
1A
Subcodes 1 to 3 and 8: ARD
overcurrent fault
Subcode 10: ARD overload
◆
Check whether the load is normal.
◆
Check that the wiring is correct.
◆
Check whether the load is too large.
◆
Contact Inovance.
Subcodes 4 to 7: ARD battery
fault
◆
Check whether the battery wire is connected
correctly.
◆
Check whether the battery model is correct
(48 V).
◆
The battery life is reduced. Replace the bat-
tery.
◆
The machine operates too long or the ambi-
ent temperature is too high.
Subcode 11: ARD bus
overvoltage
Subcode 12: ARD bus
undervoltage
Subcode 13: ARD drive unit
overvoltage
◆
Check whether the battery level is within a
correct range.
◆
Check whether the battery voltage is normal.
◆
Contact Inovance.
Subcode 16: Power grid input
overvoltage
◆
Check whether the power grid voltage is
normal and is incorrectly connected to 380 V.
◆
Contact Inovance.
Subcode 21: Relay stuck
◆
If the E69 subcode 21 reoccurs, test the
stuck situation.
◆
Test whether the main relay K4 is stuck.
◆
Test whether the drive unit relay K2 is stuck.
◆
Test whether the brake release relay K1 is
stuck.
Subcode 21: Alarm of too low
lithium battery level
◆
Test whether the lithium battery is damaged.
◆
The lithium battery is discharged excessively
and must be charged.
◆
Fault Err41 is not recorded in the elevator stop state.
◆
Fault Err42 is reset automatically when the door lock circuit is shorted or 1s after the fault oc-
curs in the door zone.
◆
If faults Err51, Err52, and E57 persist, they are recorded once every one hour.
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