Mitsubishi Electric GUG-01SL-E Handbook page 23

LED11
Symptom
(green)
9 blinks Errors detect-
ed on Lossnay
control circuit
10 blinks Drain pump
maintenance
sign
Continuous System is
blinking starting up.
( At intervals
of 1 sec.)
Lit for Resetting the
3 sec. cumulative op-
eration time of
the drain pump
is completed.
Cause
Some error has occurred in the
Lossnay unit.
Cumulative operation time of the
drain pump has reached 2100 hours.
The LED blinks for approx. five min-
utes at the maximum during startup.
When the cumulative operation time
of the drain pump is reset properly
(by setting the switch SW11-2 to ON,
and then to OFF), the LED11 lights
up for three sec.
─ 23 ─
Corrective action
See the Lossnay service handbook.
Check the operation of the drain pump,
and if defects including poor drainage are
detected, replace the drain pump assem-
bly.
Reset the cumulative operation time after
the replacement of the drain pump assem-
bly.
(See the technical manual.)
After the system startup, LED11 goes off
when no error is detected.
After resetting, LED11 goes off when no
error is detected.