Larco 23365300, Руководство пользователя, Страница: 12 / 15

Condition Indicator Status Possible Causes or Solution
No fault indicated Power LED ON Channel 1 open:
• Check wiring to S11-S12.
• Check connectors are properly seated.
Fault LED ON*
Ch1 LED OFF
Ch2 LED ON
No fault indicated Power LED ON Channel 2 open:
• Check wiring to S21-S22.
• Check connectors are properly seated.
Fault LED ON*
Ch1 LED ON
Ch2 LED OFF
Fault Power LED ON Possible temporary fault:
• Check for loose wiring.
• Actuate the mat to clear the fault.
Possible internal fault:
• Return to factory for repair or replacement.
Fault LED ON*
Ch1 LED ON
Ch2 LED ON
All LEDs OFF Possible fault in the machine control or wiring to the Module:
• Check input power connections or external fuses.
• Check connectors are properly seated.
Dim LEDs Power LED dim:
• Check power supply capacity and load.
Other LEDs dim:
• May glow during power-up (normal).
• Check power supply load and capacity.
*Fault LED Flickers This is normal while the Fault LED is ON.
MSCs do not energize Power LED ON Possible fault in machine control or an open circuit between machine control
and MSCs:
• Check continuity of safety outputs (for example, between terminals 13
and 14).
• Check control wires and connectors.
• Check MSCs
Fault LED OFF
Ch1 LED ON
Ch2 LED ON
Repairs
Contact ATEK
Access Technologies
for troubleshooting of this device. Do not attempt any repairs to this device; it
contains no field-replaceable parts or components. If the device, device part, or device component is determined to be
defective by Customer Care Team, they will advise you of the RMA (Return Merchandise Authorization) procedure.
Important: If instructed to return the device, pack it with care. Damage that occurs in return shipping
is not covered by warranty.
CAUTION: Abuse of Module After Failure
If an internal fault has occurred and the Module will not reset, do not tap, strike, or otherwise
attempt to correct the fault by a physical impact to the housing. An internal relay may have
failed in such a manner that its replacement is required.
If the Module is not immediately replaced or repaired, multiple simultaneous failures may
accumulate such that the safety function can not be guaranteed.
Specifications
Category Specification
Supply Voltage and
Current
AI-A2: 115 V ac (model MAX1524) or 230 V ac (model MAX2324) ±15%, 50/60 Hz
BI-B2: 11 V dc to 27.6 V dc
Connect the Safety Module only to a SELV (safety extra-low voltage, for circuits without earth ground) or a PELV
(protected extra-low voltage, for circuits with earth ground) power supply, according to EN IEC 60950, NEC Class 2.
MAX1524 and MAX2324 Safety Mat Monitoring Modules
12 www.LARCO.com TEL: 800-523-6996 P/N 122366 Rev. B