Kikusui PCR 2000M - Locking (Prohibiting) the Panel Operation; 3.11 Protection Functions and Alarm Errors

48 PCR-M
Chapter 3 Operation
3.10 Locking (Prohibiting) the Panel Operation
The operation from the panel can be locked to prevent the settings from being
changed inadvertently when using the PCR-M with fixed voltage or frequency.
When the panel is locked, all keys other than the OUTPUT and KEY LOCK
(SHIFT+STORE) keys are disabled.
Fig.3-9 KEY LOCK display
Setting and releasing the lock
The panel lock can be set or released each time the KEYLOCK (SHIFT+STORE)
key is pressed.
If the lock is set, the KEY LOCK LED on the display illuminates; if the lock is
released, the LED turns off.
3.11 Protection Functions and Alarm Errors
The PCR-M is equipped with the protection functions below. When a protection
function is activated, an alarm (A-xx) or an error (E-xx) occurs as shown
Table 3-12
in and the OUTPUT is turned off.
• Alarm: Occurs to notify the user that a protection function has been activated.
• Error: Occurs on a major operation error or when there is a possibility of
malfunction or damage.
page 51
Table 3-12 Protection function
V
Hz
PEAK
Hz
135V
270V
RANGE
W
A
AVG
RMS
AUTO
MEMORY
REMOTE
A
LAR
A
M
R
KEY LOCK
A
B
C
OVER LOAD
AC
DC
EXT
On
Off
Key lock
See
Protection Function Alarm or Error Type
Protection against exceeding the input voltage rating
range
Error E-10 or E-12
Overheat protection (OHP) Alarm A-04
Overload
protection
Overcurrent (RMS or AVE) protection
(OCP)
OVERLOAD illuminates. Alarm A-01.
Overpower protection (OPP) OVERLOAD illuminates. Alarm A-03.
Overcurrent (PEAK) protection (OCP) OVERLOAD illuminates. Alarm A-02.
Voltage error
detection
Overvoltage (OVP) Alarm A-00
Low voltage (LVP) Alarm A-06