29
Fault Display on Cab Command
AL16 SYS CK
Low refrigerant pressure detected. Have
system checked for leaks.
AL17 DISPLAY
Communication between main board and
the display board has been interrupted.
AL18 SERVICE
1
Hour meter is greater than maintenance
hour meter 1.
AL19 SERVICE
2
Hour meter is greater than maintenance
hour meter 2.
AL20 RAS OUT
Box temperature is Out--of--Range.
AL21 2RA OUT
Not Applicable
AL22 3RA OUT
Not Applicable
AL23
NO POWER
No AC power when unit is in Standby.