MovinCool Climate Pro 18 Service Manual - Manual (Page 57)

Repair Section
57
8.2 Self-Diagnostic Codes
• Self-diagnostic codes are displayed on the control panel LCD with backlight in orange color
under the following conditions. Refer to the troubleshooting chart on page 62 to 66 for the
remedies.
Self-Diagnostic Codes - Table 1
Code Condition LCD Display and Description
AL1
Alarm device connected to FA-1 and FA-2 of the terminal block 1 is
activated. The unit stops, LCD displays “AL1”, relay contact RL07 for
terminal OS-1 and OS-2 closes, and buzzer sounds.
AL2
Alarm device connected to AI-1 and AI-2 of the terminal block 1 is
activated. The unit stops, LCD displays “AL2”, relay contact RL07 for
terminal OS-1 and OS-2 closes, and buzzer sounds.
FL
Drain tank is full of water.
The unit stops, LCD displays “FL”, and relay contact RL07 for terminal
OS-1 and OS-2 closes.
HP
High pressure protection is activated.
When the high pressure switch is activated up to 8 times in 24 hours,
LCD displays “HP”, the unit stops, and relay contact RL07 for terminal
OS-1 and OS-2 closes.
AS
Optional condensate pump safety switch is activated.
When the optional condensate pump safety switch is activated due to any
kink and/or blockage in the drain line or due to improper routing of the
drain line, or missing short jumper connector for the optional condensate
pump, the unit stops, LCD displays “AS”, and relay contact RL07 for
terminal OS-1 and OS-2 closes.
ILL00829-00
ILL00830-00
ILL00831-00
ILL00832-00
ILL00833-00