Fujitsu AIRSTAGE UTY-DCGGZ2 - Emergency Stop; When a Signal Is Received from External Input; When a Signal Is Received from VRF System; Error Code

En-50
■ Refrigerantleakage
When refrigerant leakage is detected, the following message
isdisplayedattheforefrontofthescreen.Conrmtheerror
location.
“Refrigerantleakagewasdetected.Pleaseconrmthesituation
immediately.”
5-2. EmergencyStop
The pop-up of emergency stop is displayed in any of the following cases.
5-2-1. Whenasignalisreceivedfromexternalinput
• When a signal is received from external input, the following
message is displayed at the forefront of the screen.
“Operation suspended; The emergency stop has been
activated with the emergency input signal from an external
device during which the controller cannot be operated.”
• Whenthereleasenoticationisreceivedfromexternalinput,
release “Emergency Stop”.
5-2-2. WhenasignalisreceivedfromVRFsystem
• When a signal is received from VRF system, the following
message is displayed at the forefront of the screen.
“Operation suspended; An external signal for emergency
stop has been detected from the another VRF device during
which the central controller cannot be operated.”
• WhenthereleasenoticationisreceivedfromVRFsystem,
release “Emergency Stop”.
5-3. Error Code
For the details or the indoor unit or outdoor unit error when checking the error contents, refer to the error codes in each
installation manual.
Error code Contents
161 Communication PCB connection error
164 Peripheral device network communication error
C21 Communication PCB error