Remote Controller Self-Diagnosis Function - Daikin VRV II RXYQ5MY1B Service Manual

Troubleshooting by Remote Controller
1.6

Remote Controller Self-Diagnosis Function

The remote controller switches are equipped with a self diagnosis function so that more
appropriate maintenance can be carried out. If a malfunction occurs during operation, the
operation lamp, malfunction code and display of malfunctioning unit No. let you know the
contents and location of the malfunction.
When there is a stop due to malfunction, the contents of the malfunction given below can be
diagnosed by a combination of operation lamp, INSPECTION display of the liquid crystal display
and display of malfunction code. It also lets you know the unit No. during group control.
168
Inspection display
Operation lamp
Display of indoor unit for which a
malfunction has been detected
Malfunction code
SiE39-404
(VL050)
Troubleshooting