Table 209: Test points and LED indicators
Voltage
Test point
Voltage range
Fuse
LED
+5VDC
TP3
+4.92 to +5.28VDC
F1 (5A)
CR56
+12VDC
TP4
+11.58 to +12.5VDC
F2 (5A)
CR57
-12VDC
TP33
-11.5 to -12.5VDC
F3 (5A)
CR58
+24VDC
TP35
+22.4 to +26.7VDC
F4 (4A)
CR59
+3.3VDC
TP2
+3.25 to +3.43VDC
n/a
CR62
VCC
TP15
+4.92 to +5.28VDC
n/a
n/a
+5VA
TP10
+4.95 to +5.05
n/a
CR61
Battery
n/a
+2.95 to +3.45
n/a
n/a
Boot-up program
The Boot-up Program is stored in Flash memory. It may be updated along with a new version of the
operating program by inserting an SD card containing the new program into the SD card slot on the
03630 board, setting DIP Switch SW1 position 4 to ON and then applying power to the chiller. The
Boot-up Program version is displayed on the DIAGNOSTICS Screen in SERVICE access level.
Table 210: Diagnostic display codes
LED display code
(normal boot up)
Description
00
DIP 4 OFF - Booting from internal Flash program
CH
Flash Checksum Test in progress
AP
Application program setup in progress
∞
Application program is running
LED display code (other)
01
DIP 4 ON - Booting from SD card [Normal when loading a
program]
02
DIP 4 ON - Booting from USB port
05
DIP 4 ON - PIC application is being configured
F0
DIP 4 OFF - Boot from internal Flash Failed [Try to reload the
program]
F1
DIP 4 ON - Boot from SD card Failed [Bad SD card or Bad
microboard]
F3
DIP 4 ON - Microboard Internal error [Bad microboard]
F4
DIP 4 ON - Checksum Failed [Try to reload program, Bad
microboard]
FF
DIP 4 ON - Boot from SD card Failed
Note:
If the display stops at a 01 display, this may be an indication that the SD card reader is
defective.
If the display stops at the YORK logo with a white screen, this indicates that the board has no
program to boot from.
YK-EP Style B Centrifugal Chiller
240
Summary of Contents for 160.87-OM1
Page 2: ...2 YK EP Style B Centrifugal Chiller ...
Page 6: ...6 YK EP Style B Centrifugal Chiller ...
Page 227: ...Figure 72 Sample printout of Status 227 YK EP Style B Centrifugal Chiller ...
Page 228: ...Figure 73 Sample printout of Status cont YK EP Style B Centrifugal Chiller 228 ...
Page 229: ...Figure 74 Sample printout of Setpoints 229 YK EP Style B Centrifugal Chiller ...
Page 230: ...Figure 75 Sample printout of Setpoints cont YK EP Style B Centrifugal Chiller 230 ...
Page 231: ...Figure 76 Sample printout of Schedule 231 YK EP Style B Centrifugal Chiller ...
Page 232: ...Figure 77 Sample printout of a Sales order YK EP Style B Centrifugal Chiller 232 ...
Page 233: ...Figure 78 Sample printout of a Sales order cont 233 YK EP Style B Centrifugal Chiller ...
Page 234: ...Figure 79 Sample printout of History YK EP Style B Centrifugal Chiller 234 ...
Page 235: ...Figure 80 Sample printout of History cont 235 YK EP Style B Centrifugal Chiller ...
Page 236: ...Figure 81 Sample printout of a security log report YK EP Style B Centrifugal Chiller 236 ...