TROUBLESHOOTING
1-2 The indicator is not lit. The panel switch is not accepted. (Error check
Error check
Check the power supply procedure.
Replace the UPUH25U.
Check the connection of all harness.
Especially, the connection of the
flat cable between UPUH25U and
panel sheet.
Check the voltage at J8 of UPUH15U.
DP0591
DP0797
(If the voltage is out of value, replace DP0591 or
DP0797.)
Replace the front panel or panel sheet.
Operate?
Does the panel
work?
Check the connection.
Operate?
Check the power supply U.
Operate?
Operate?
End
Replace the UPUH15U.
2-3
Summary of Contents for UHI-2
Page 1: ...MAINTENANCE MANUAL UHI 2...
Page 31: ...EXPLODED PARTS DIAGRAM MODEL UNIT UHI 2 REAR PANEL FR 1107 FIG 3 7 EXPLODED PARTS DIAGRAM 4 3...
Page 32: ...EXPLODED PARTS DIAGRAM MODEL UHI 2 UNIT FLOW SENSOR FR 1107 FIG 4 7 EXPLODED PARTS DIAGRAM 4 4...
Page 33: ...EXPLODED PARTS DIAGRAM MODEL UHI 2 UNIT REGULATOR FR 1107 FIG 5 7 EXPLODED PARTS DIAGRAM 4 5...
Page 34: ...EXPLODED PARTS DIAGRAM MODEL UHI 2 UNIT TUBE FR 1107 FIG 6 7 EXPLODED PARTS DIAGRAM 4 6...
Page 35: ...EXPLODED PARTS DIAGRAM MODEL UHI 2 UNIT CABLE FR No 1107 FIG 7 7 EXPLODED PARTS DIAGRAM 4 7...