OPERATION
DETAILED CONTROLS AND GAUGES
3-59
Other Functions
3
Self-diagnostic Function
It is possible to carry out troubleshooting of the various sensors and equipment used on the air conditioner.
1. Press OFF switch (1). The temperature setting and air flow display on the liquid crystal display portion go out
and operation stops.
2. If the "
∨
" and "
∧
" parts of temperature setting switch (3) are kept pressed at the same time for at least 3 sec-
onds, the troubleshooting mode is displayed on the liquid crystal display portion.
<Monitor display and failure mode>
q
When more than one failure is detected, press the "
∨
" or "
∧
" portion of temperature setting switch (3) to dis-
play the failures in turn.
q
After completing the troubleshooting, press OFF switch (1) again to return to the normal display.
If any abnormality is detected by the self-diagnostic function, ask your Komatsu distributor to carry out inspection
and repair.
Display
Failure mode
E--
No failure
E11
Disconnection in recirculated air sensor
E12
Short circuit in recirculated air sensor
E13
Disconnection in fresh air sensor
E14
Short circuit in fresh air sensor
E15
Disconnection in water temperature sensor
E16
Short circuit in water temperature sensor
E18
Short circuit in sunlight sensor
E21
Disconnection in vent sensor
E22
Short circuit in vent sensor
E43
Abnormality in vent damper
E44
Abnormality in air mix damper
E45
Abnormality in FRESH/RECIRC air damper
E51
Abnormality in refrigerant pressure
Summary of Contents for PC600-7
Page 2: ...1 1 FOREWORD 11 ...
Page 4: ...FOREWORD FOREWORD 1 3 ...
Page 5: ...FOREWORD FOREWORD 1 4 ...
Page 18: ...2 1 SAFETY 12 ...
Page 22: ...SAFETY SAFETY LABELS 2 5 LOCATION OF SAFETY LABELS 2 ...
Page 28: ...SAFETY SAFETY LABELS 2 11 19 Jump start prohibited 09842 A0481 ...
Page 59: ...3 1 OPERATION 13 ...
Page 168: ...MACHINE OPERATIONS AND CONTROLS OPERATION 3 110 Boom operation Bucket operation ...
Page 211: ...4 1 MAINTENANCE 4 ...
Page 277: ...MAINTENANCE MAINTENANCE PROCEDURE 4 67 q Center frame A Important check points q Boom ...
Page 288: ...5 1 SPECIFICATIONS 15 ...
Page 291: ...6 1 ATTACHMENTS AND OPTIONS 16 ...
Page 299: ......