Fuji Electric FRENIC-HVAC User Manual page 655

[ 35 ] LoK Password protection (inverter lock)
Problem An incorrect user password was entered more than the specified number of times.
Possible Causes
(1) User password 1 or 2 was
entered incorrectly more than the
specified number of times.
[ 36 ] Err Mock alarm
Problem The LCD displays the alarm err.
Possible Causes
(1) The + keys were held
down for more than 5 seconds.
(2) H45 was set to "1".
[ 37 ] Lob Low battery
Problem The voltage in the battery used to protect date information is low.
Possible Causes
(1) Battery connector contact defect
(2) Battery degradation, battery
defect
[ 38 ] dtL Date information loss
Problem Date information set in the inverter was lost.
Possible Causes
(1) It was not possible to protect the
date information when the
inverter power was turned OFF.
(2) The date information is
abnormal.
To stop using the clock function (realtime clock), perform "Realtime clock initialization
(H03=10)".
9.3 If an Alarm Code Appears on the Monitor
What to Check and Suggested Measures
Delete the password setting.
 Delete the password with the all clear command (PRG >5 > 2 >10).
When doing so, all inverter settings will also be initialized
simultaneously.
Reset the password.
 To clear the Lok alarm while retaining the inverter settings, notify
Fuji Electric and append the clear application number (PRG > 5 >
8). We will ensure that no illegal operations have been performed,
and then issue an alarm clear code.
What to Check and Suggested Measures
 To escape from this alarm state, press the
 Press the key to reset
What to Check and Suggested Measures
Check whether the battery is securely attached to the connector on the
unit board.
 If normal battery voltage is detected, the cause of the problem will
be cleared, and resetting will be possible.
Check whether the battery is degraded.
 Replace the battery with a new one.
What to Check and Suggested Measures
Check whether the date information protection battery is properly
connected.
 Check the battery connection, and then reset the date.
The clock function in this product is programmed to run until 23:59:59
on December 31, 2099. The date count will be stopped if this date is
exceeded.
 Set the correct date again.
9-21
key.