Emergency Stop; When A Signal Is Received From External Input; When A Signal Is Received From Vrf System; Error Code - Fujitsu Airstage UTY-DCGYZ1 Operating Manual

■ Refrigerant leakage
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
5-2-2. When a signal is received from VRF system

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
161 Communication PCB connection error
164 Peripheral device network communication error
C21 Communication PCB error
En-46
When refrigerant leakage is detected, the following message
is displayed at the forefront of the screen. Confirm the error
location.
"Refrigerant leakage was detected. Please confirm the situation
immediately."
• 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 notification is received from external input,
release "Emergency Stop".
• 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 notification is received from VRF system,
release "Emergency Stop".
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