Report from MPR site (23 Dec 2011)

We had many errors last night. However all the errors were recovered.
The MPR is working well now.
Around 1730 LT on 22 Dec 2011, PLN power was unstable, blinking.
2025 LT, TX error was found.
TX warning: WARNING (yellow)
TX SB warning: WARNING (yellow)
TX SBC pre. trigger: FAULT (yellow)
TX SBC trigger: FAULT (yellow)
2056 LT, radar system was manually restarted (main fuse off and on).
2307 LT, PLN power failure, shorter than 10 seconds.
Radar system was automatically restarted with generator.
2319 LT, PLN power was recovered.

Radar system was automatically restarted with PLN power.
2328 LT, ACU error was found.
ACU error status: FAULT (red)
EL servo drive (OK/STOP): STOP (yellow)
EL 7-segment display: [0x2B] Max. speed overload
On Ravis software, abnormal value of antenna elevation angle "128.123"
was found and antenna could not be controlled.
Around 2350 LT, main fuse off.
Opened radome, moved antenna elevation angle to 90 deg, then closed radome.
0007 LT on 23 Dec 2011, main fuse on. Radar system was manually restarted.
ACU error "AZ or EL (no memo which one) servo drive (int. error)" was found.
0020 LT, 2F5 fuse off and on.
0022 LT, GDRX-SP error was found.
Measured PRF: 0.0 Hz (yellow)
Received IQ Data Rate: 0 kBit/s (yellow)
0030 LT, recovered automatically.
0115 LT, GDRX-SP error was found.
0120 LT, recovered automatically.
0235 LT, GDRX-SP error was found.
Not recovered automatically.
0300 LT, radar system was manually restarted (main fuse off and on).
0325 LT, GDRX-SP error was found.
0330 LT, recovered automatically.
0515 LT, GDRX-SP error was found.
0520 LT, recovered automatically.
H. Kamimera and M. Hattori