Troubleshooting (cont.) – MovinCool CMW30 User Manual
Page 53
53
TROUBLESHOOTING (cont.)
If conditions persist after the above remedies have been performed, turn off the
unit, disconnect the power, and contact your MovinCool reseller or a qualified
technician.
Condition
Self-
Diagnostic
Codes
(Wall
mounted
controller)
Buzzer
Pattern
Possible
Cause
Remedy
Unit
does
not
operate.
LCD
displays
self-
diagnostic
codes.
AL
1
Signal is input to
the fire alarm
connection.
Connect the fire
alarm signal wires
correctly.
(See “Fire Alarm
Connection (Input
Signal) on page 35”.)
Press RESET
button, then press
ON/OFF button.
PU
3
Drain hose clogged
(for internal drain
pump).
Remove any
blockages or
excessive kinks
preventing water
flow.
Press RESET
button, then press
ON/OFF button.
Drain hose trap
position is too high
to pump up
condensation water
(for internal drain
pump).
Improve hose
installation.
(See “Drain Hose
Connection” on
Press RESET
button, then press
ON/OFF button.
Internal drain pump
is not working.
Connect the internal
drain pump
connector securely.
Press RESET
button, then press
ON/OFF button.
If the internal drain
pump still does not
work, replace it.