Toshiba RUAGP Series Original Owner's Manual page 27

MC Failure history screen
[How to clear failure history]
Information/Operation screen
Error codes
Item
(Hexadecimal)
02 Pump interlock
1A HumanIF comm error
GC communication
1C
err
MC communication
1D
err
E0 Load side RWT error
E1 Load side SWT error
E2 Load side Flow meter
E3 Ext diff prss sensor
Date and
Time
Code
Content
* Refer to the list of failure codes for details of the failure codes
and their content.
• Press
• Refer to "When confirming on the message screen" when
using the confirmation screen.
• Use the cursor to select an item.
Refer to the table below for the items and content of display
information.
System info
Operate solenoid valve for
Table - MC error codes
Description
No pump interlock input during operation
Module controller's Human IF communication
error
Communication error (in Remote mode)
between module controller and group
controller
Communication error between module
controllers (in Remote mode)
In case of thermistor sensor
Sensor disconnection, short circuit
In case of voltage input
In case of voltage judged to be error in
analogue input voltage range setting
In case of voltage judged to be error in
analogue input range setting
Indicates the date and time of occurrence. (The year is the
last 2 digits of the Western calendar year)
Displays a 5-digit code. The left 2 digits indicate the UC
number and the right 3 digits indicate the failure code.
Displays the failure content. (Up to 16 latest items can be
displayed.)
to display the confirmation screen.
Item
You can check the operation data for each
system.
UC info You can check the operation data for each
UC.
Crcit info You can check the operation data for each
circuit in each UC.
UC ope You can operate each system of each UC.
You can turn ON/OFF the solenoid valve for
spray evaporative condenser for each system.
UC Circuit
display display
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
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Description
Process
Relevant system stops
Operation continues
Operation continues
Operation continues with backup (steps) control
When flow meter exists and is normal:
Operation continue
When flow meter does not exist or is not normal:
Operation continue with backup control
When return water and supply water sensors
exist and are normal:
Operation continues
When return water and supply water sensors do
not exist and are not normal:
Backup operation
Backup operation