20
JCB
409ZX Loader
BREATHESAFE SYSTEM TROUBLE SHOOTING GUIDE *TOUCH CONTROL
FAULT
POSSIBLE CAUSE
SOLUTION
*ERR error code
Poor sensor connection
Remove & refit pod connection cable
Corrupted coding
Access factory setup - default reset - pin 6759
*Check filter alarm
Service hour timeout
Access
Check Runtime
menu - reset hours via 7597 code
Temperature / CO2 error
Sensor not connected
Fit sensor or disable via site access CO2 & or temperature menu
Pressuriser running at full speed/noisy
Filter blocked
Service filter
Door or window open
Ensure doors & windows securely shut
Cabin sealing capacity not adequate
Perform pressure test procedure & seal leak points as required
Sense pipe blocked
Ensure clear & not bent
Internal sensor damaged
Replace controller
**No need to change setpoint
Filter blocking quickly
Defective cabin sealing
Perform pressure test procedure & seal leak points as required
Pre-cleaner failed
Check operation & replace if necessary
Display blank
Poor power supply
Check mains supply fuse & correct voltage
Check voltage & 20AMP supply/connections at pin
1
@ monitor
Check earth continuity at controller pin
12
Failed controller
Replace monitor
Controller showing 0.0 pressure
Fresh air filter blocked
Check filter condition & replace if required.
Low pressure alarm
Door or window open
Ensure doors & windows securely shut
Cabin sealing capacity not adequate
Perform pressure test procedure & rectify cab sealing
Pressuriser not operating
Ensure correct voltage 12v or 24v to pressuriser motor pin
A
Check 1.6V - 10V present at motor Pin
C
Check 20A Supply fuse
Check earth continuity Pin
B
Pressure sense tube blocked
Unplug at monitor & ensure clear flow to external of cabin
Ensure pressure tube fitted correct port
A
**No need to change setpoint
Pressuriser not working
Poor power supply
Check 20A mains fuse & correct voltage
Ensure adequate wire size & no voltage drop
Ensure correct voltage 12v or 24v to pressuriser motor pin
A
Check 1.6V - 10V present at motor Pin
C
Poor earth
Check earth continuity @ motor pin
B
Motor faulty
Replace TL4M
Access Codes:
Site Access: 7597
Factory Setup: 6759
