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FANUC ROBOTS ALARMS CODESFull description
Descripción: FANUC ROBOTS ALARMS CODES
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FANUC ROBOTS ALARMS CODES
FANUC ROBOTS ALARMS CODES
FANUC ROBOTS ALARMS CODES
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ALARM CODES/FAULTS FOR HS 3 series and HS 4 series also LS 3** With SM and PM processor boards. Fault/Alarm Code ENER
Cause/Problem Emergency Button pushed in
Alm - A Alm - A1 Alm - A2
Machine not filling to required level in time allowed by processor board
Alm - C (big ‘C’)
Machine not reaching set temperature for wash programme Or heating over and above the set temperature for the selected wash programme.
Alm - bal
HS MACHINES ONLY Machine is detecting out of balanced load
Alm - c (small ‘c’)
Machine not cooling down correctly at end of wash programme
Remedy/Solution Red mushroom button on front of machine has been pushed in. To clear - rotate red knob anticlockwise, you will feel knob pop out. Also press START/STOP key to reset
(1)In coming water pressure too low. (2)Water inlet valve filters blocked (3) Faulty water inlet valve. Faulty water valve coil? (4) Drain valve letting-by (5) A split in the water level control tube causing the processor board not to be able to read the level of water in the drum. (Electric heating) (1) One or more heating element blown. (2) Wiring to heaters burnt out. (Usually heater terminals but can be on heater contactor connections or on mains connections coming in) (Steam Heating) (1) Steam strainer blocked (2) Steam inlet valve letting-by
The machine will try 3 times to redistribute the load, before stopping on Alm - bal. Problem can be caused by load balling-up (Duvet) Or load too small for machine, not being able to distribute evenly around drum during extraction.
(1) Cold water inlet pressures too low (2) Cold inlet valve filter blocked. (3) On 4 series machines, heater contactors stick in during heating cycle forcing machine into cool-down to correct the overheating situation, which ends in an Alm - ‘c’. Problem is usually due to processor board fault. (4) Problem can be caused by hot water inlet pressure being higher than the cold.
V4/200906
ALARM CODES/FAULTS FOR HS 3 series and HS 4 series also LS 3** With SM and PM processor boards. Alm - prob
Alm - L Alm - E
Water temperature prob faulty
Temperature prob-sensor is open circuit or shorting to outer drum. (1) check electrical connection onto prob-sensor. (2) In most cases the problem is due to the soap dispenser hose leaking which causes water to run down the outer drum and wet the prob-sensor, so shorting it out. (3) In most cases Alm -prob faults will require the prob-sensor to be replaced.
Alarm - L usually occurs at the end of the cycle, telling the operator that the machine has not drain correctly
(1) Drain outlet blocked (water left in machine at end of cycle) (2) Water level control bellows (air bell) blocked with soap ‘n’ scale. (no water left in machine at end of cycle) (3) This fault is common on 3 series processor boards, requiring two adjustment pots on the board to be re-set This repair procedure can be found in the series 3 manual.
Machine going over the required water level.
Water inlet valve not closing off completely causing machine to overfill. On LS and HS *007/*012 machines The thermal-actuator is blown or open circuit
HS 4 Series Alm 013
Alm -SL
Alm- star
Alm -fire
Alm - motr Or Alm - notr As it will be seen on the display
V4/200906
Machine door lock has not activated in the time allowed by processor board. Fault may also be reported as machine flashes pre-star, pre-star, pre-star then goes into alarm.
Machine is detecting heating with heating being in off position
Motor is tripping on overheat protector
On HS *022 and upwards - The lock solenoid plunger has jammed inside the solenoid coil. (Electric) Heater contractor welded in, keeping heaters powered up. (Steam) Steam inlet valve badly letting-by.
On LS machines only there is a Miniature Circuit breaker located inside the mains connection box. This is accessible by removing the mains connection cover at the rear of the machine and resetting the circuit breaker. On Both LS and HS machines this fault is normally due to drainage problems. Also check for fluff build-up on motor
ALARM CODES/FAULTS FOR HS 3 series and HS 4 series also LS 3** With SM and PM processor boards. vent inlets Alm - door
Alm - L5 During extraction cycle
End/bal
End/red
Check/bal
Door lock has failed during cycle
Thermal-Actuator has failed during cycle. Hinge microswitch or wiring to switch is failing, usually occurs during extraction. Fault in Processor board.
On HS 4 Series only.
Restriction in drain outlet.
Machine not draining quickly enough
Drain valve not opening fully or sticking closed.
Machine has ended cycle with load out of balance.
Out of balance microswitch permanently activated by sensor rod being out of position in mounting plate. Also see Alm - bal
On 4 series HS machines Only Machine has detected an out of balance load, and has reduced the final extraction speed
This means that the processor has not detected any movement in the out of balance sensor for something like 500 loads
Load too small for machine, not being able to distribute evenly around drum during extraction, which reduces the final extraction speed. And displays End/red to show this is the outcome. (1) Out of balance sensor rod broken or not inside holding plate. (2) damaged microswitch. (3) damaged wiring to microswitch. To clear display, remove the front panel, Start machine and advance it into final extraction, during extraction push the sensor rod up twice only to operate the out of balance microswitch.
On 4 series HS machines Only Display sticking on Et.30 Et (full stop)30
Machine not draining correctly
Restriction in drain outlet. Drain valve not opening. Problem should result in Alm - L or Alm - E, if not processor board faulty.
On 3 series HS machines Only Display sticking on count down at end of cycle.
V4/200906
Door lock blocking bar sticking. Partial blockage in water level control air bellows.
Door lock blocking bar sticking in slide causing door release microswitch not to clear. Remove and clean water level bellows.
ALARM CODES/FAULTS FOR HS 3 series and HS 4 series also LS 3** With SM and PM processor boards. On HS 4007 & 4012 machines only. Machine blows negative/neutral 16 amp.control fuse.
Electrical overload in inverter unit.
Restriction in drain outlet. Slow drainage of water causes inverter to overload safety fuses. Slow draining can be caused by oversoaping Inverter mains filter leaking to earth.
On HS 4 Series Only. Machine starts but Goes straight to End. or Alm - 00 Alm - 26 Alm - Com
Break in communication cable between processor board and inverter.
Check continuity between wiring of communication cable.
Communication sub-board on inverter faulty.
Replace inverter unit.
If fault occurs after changing inverter unit
Check sink/source slide switch on inverter is in correct position.
On HS 4 Series Only. Machine starts O.K. Door locks/machine starts to fill but after a few seconds goes into Alm A03, followed by cycle end.
Alm - A01 Alm - A02 Alm - A03
Drive motor short circuit or shorting to earth.
Replace drive motor.
Drum bearings tight or seizing up
Replace drum bearings and seals.
On HS 4 Series Only. Drive motor short circuit or shorting to earth.
Replace drive motor.
Short circuit or broken wiring between inverter output and drive motor.
Check/repair or replace wiring as necessary.
Drum bearings tight or seizing up
Replace drum bearings and seals.
On HS 4 Series Only Alm - A04 Alm - A05
Alm - A06 Alm - A07 Alm - A08
V4/200906
Failure of the inverter to interpret Parameter frequency being downloaded from processor board
ALARM CODES/FAULTS FOR HS 3 series and HS 4 series also LS 3** With SM and PM processor boards. Alm - A11 Alm - A13
Alm - A12
Alm - A16
Alm - A17 Alm - A19
On HS 4 Series only. Inverter overheating.
On HS 4 Series only Drive motor thermal protector tripped.
On HS 4 Series only. Failure in the inverter to interpret the wash program. On HS 4 Series only. Drive motor overload.
On HS 4 Series only. Alm - A20 Alm - A21
Corrupted data communication to inverter
On HS 4 Series only. Alm - A40
Inverter not configured.
On HS 4 Series only. Alm - A41 Alm - A55
V4/200906
Corruption of inverter memory
Restriction in drain outlet. Slow drainage of water causes inverter to overheat. Obstruction or insufficient cool air around inverter.(Engineering bulletin No.353 shows how to clean inverter) Inverter cooling fan failure. Room temperature too high.
Faulty drive motor. Drive motor ventilation fan(s) failed Drum bearings tight or seizing up. Heaters in drum buckled up restricting drum movement. Loose or worn drive belt(s) Room temperature too high.
Restriction in drain outlet. Drum bearings tight or seizing up. Heaters in drum buckled up restricting drum movement. Loose connection in connections between motor and inverter.
Fault in Earth connection. Imbalance between Earth and Neutral connections. High level of spikes or transients on phase line. Faulty inverter supply filter. Faulty inverter.
Use machine configuration program to reconfigure inverter. Faulty inverter, corrupted inverter memory.
Use machine configuration program to reconfigure inverter. Fault in Earth connection. Imbalance between Earth and Neutral connections. High level of spikes or transients on phase line.(To overcome this problem a Communication circuit resistor is available, see Engineering
ALARM CODES/FAULTS FOR HS 3 series and HS 4 series also LS 3** With SM and PM processor boards. bulletin No.354en) Faulty inverter supply filter. Faulty inverter.
On HS 4 Series only. Alm - A47
Drum tumble action is erratic. No tumble action when machine loaded. But does not show any alarm condition
During heating cycle temperature display goes up step by step but then jumps to a much higher temperature reading
Overload in electrical supply
On HS 4 Series only Drive belts badly worn or broken.
Fit new belt set.
Break down in inverter output circuits to motor
Replace inverter unit.
On HS 4 Series only Fault in temperature sensor
On HS 4 Series PM only Err/CONF
Corruption of Processor Board EPROM
On HS 4 Series PM only Err/EPrO
Corruption of Processor Board EPROM
Version 4 updated/JH/200906
V4/200906
Usually shows as a second alarm following Alm - A03 when drive motor faulty. Loose phase connection somewhere in electrical supply causing increase current load. Check inverter supply relay, due to faulty relay there maybe a voltage drop access relay contacts.
Replace temperature probe
Caused high level of electrical spikes in mains supply. Replace processor board EPROM. Replace processor board.
Caused high level of electrical spikes in mains supply. Replace processor board EPROM. Replace processor board.
