OKAI ES400A - Page 24

24
15E
Lost firmware of the ECU
The ECU failed to update the program.
⚫ Re-send the update command.
⚫ Change the ECU.
18E
The throttle not at the original
position
During self-test when power on, the meter detects that the throttle isn't
at the original position.
⚫ Turn the throttle to original
position.
⚫ Check if the connections are
loose.
⚫ Change the throttle.
⚫ Change the meter.
The throttle signal wire and the power wire/the ground wire are short-
circuited.
The ground wire is open circuit.
The sampling circuit of the meter is damaged.
The throttle is damaged.
19E
The left brake lever not at the
original position
During self-test when power on, the meter detects that the left brake
lever isn't at the original position.
⚫ Turn the left brake lever to original position.
⚫ Check if the connections are loose.
⚫ Change the left brake lever.
⚫ Change the meter.
The left brake signal wire and the power wire/the ground wire are short-
circuited.
The sampling circuit of the meter is damaged.
The left brake lever is damaged.
20E
The right brake lever not at the
original position
During self-test when power on, the meter detects that the right brake
lever isn't at the original position.
⚫ Turn the right brake lever to original position.
⚫ Check if the connections are loose.
⚫ Change the right brake lever.
⚫ Change the meter.
The right brake signal wire and the power wire/the ground wire are short-
circuited.
The sampling circuit of the meter is damaged.
The right brake lever is damaged.
25E
The ECU heartbeat fault
The meter hasn't detect the ECU heartbeat for more than 5 minutes.
⚫ Check if the connection of the ECU is loose.
⚫ Change the ECU.
26E
The IoT heartbeat fault
The meter hasn't detect the IoT heartbeat for more than 5 minutes.
⚫ Check if the connection of the IoT is loose.
⚫ Change the IoT.
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