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3.3 Trouble Shooting
3.3.11
Replenishment Level Sensor Diagnostics
Abnormal
Normal
Is the harness between the level sensor
and the JNE6 on the JNE23 circuit board
is poorly connected or broken?
Connect harness correctly,
repair or replace it.
Replace the JNE23 circuit board.
Yes
Check level sensor and actual level on
“Processor I/O Check (0642)”.
No
P1R upper level sensor:
FS720
P1R lower level sensor:
FS724
P2RA upper level sensor: FS721
P2RA lower level sensor: FS725
P2RB upper level sensor: FS722
P2RB lower level sensor: FS726
PSR upper level sensor:
FS723
PSR lower level sensor:
FS727
To “3.3.8 Replenishment Pump Diagnostics”
3.3.12
Return Action after Replenishment System Error
No
Yes
Not all “Yes”
ALL “Yes”
All solution levels of the P1R, P2RA
and P2RB tanks aligned around
upper level sensor?
Upper level sensors of all tanks
indicate “YES” on
“Processor I/O Check (0642)”?
Pour a small amount of water to
make indicator(s) of upper level sensor(s)
Show “YES”.
Drain all replenishers from the P1R,
P2RA and P2RB tanks.
Install new replenisher cartridge.
Open and close replenisher
cartridge box door.
Perform “PROC.INST.MODE” -
“INSTALLATION” - “MIX REPLENISH”.