4. TROUBLE SHOOTING
JCY-1900
1950
DR Service Manual
67
DOC No. 7ZPNA4409
Error
codes
Error
type
Indication Contents Actions to take
004
005
CAUTION Fan1(2) failure in RCU The RCU's built-in fan is stop-
ping.
1) Check that Fan is operating.
(Refer to Installation Manual (Hardware Part) 5.3.4）
2_1) Fan is operating：Reboot the RCU. If the alert does not disappear, re-
place the MCB. （Refer to Service manual 2.5.6.）
2_2) Fan is not operating：Check that connection of Fan cable. （Refer to
Installation Manual (Hardware Part).）
And check the LED “Fan” on the RCU is on.
（Refer to Installation Manual (Hardware Part) 5.3.1）.
3_1) LED”Fan” is on : Replace the Fan. （Refer to Service manual 2.5.3.）
3_2) LED”Fan” is off : Replace the MCB. (Refer to Service manual 2.5.6）
006 WARNING Battery failure The voltage of RCU's built-in
battery is deteriorating.
1) Check the connection of the battery.
2) Using Multimeter, measure battery voltage. (Refer to Installation Manual
(Hardware Part) 5.3.3.）
3_1) Battery voltage is below the standard ： Replace the battery.
（Refer to Service manual 2.5.1.）
3_2) Battery voltage is beyond the standard ： Replace the MCB or the PSU.
(Refer to Service manual 2.5.7, 2.5.6.)
007 CAUTION Battery high
temperature
The temperature of RCU's
built-in battery is higher than the
rated value.
1) Check the temperature of the room where the VDR is installed.
2) Replace the battery. (Refer to Service manual 2.5.1.)
3) Replace the MCB or the PSU.(Refer to Service manual 2.5.7, 2.5.6.)
008 WARNING Battery high
charging voltage
The charge voltage of RCU's
built-in batterys higher than the
rated value.
1) Reboot the RCU.
2) Replace the battery. (Refer to Service manual 2.5.1.)
3) Replace the MCB or the PSU. (Refer to Service manual 2.5.7, 2.5.6.)
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