www.maxcessintl.com
HEB250 Brake
MI 850A346 1 B
Page 17
Troubleshooting:
PROBLEM
POSSIBLE CAUSE
ACTION
No torque or low torque
Airline leaking
Air fitting leaking
Caliper seal leaking
One or more pads worn
Replace air line
Replace air fitting
Order caliper repair kit. RKHEBCAL
Order pad replacement kits. HEBPKL,
HEBPKM, or HEBPKH
Fan not running
No power to fan
Fan bearing failed
Check power supply
Check wiring for opens
Replace fan, part number 20C23-1
Proximity Sensor not pulsing
No power to sensor
NPN output needs a pull-up
load to +24 volts
Check power supply
Check wiring for opens
Verify connections
Table 1. Troubleshooting
Product Specifications:
WARNING
– Do not use the devices outside of their rated specifications.
Temperature Range:
Operating
0°C to +50°C [32°F to 122°F]
Storage
-30°C to +80°C [-22°F to 176°F]
Relative Humidity:
5% to 85%
Altitude:
0 to 2000 meters [0 to 6562 feet]
Maximum RPM:
1800 RPM
Maximum Pressure:
621 kPa [90 PSI]
Actuation Pressure:
21 kPa [3 PSI]
Fan:
Voltage:
24 VDC
Current:
1.5 ADC
Proximity Sensor:
Supply Voltage:
24 VDC
Signal Output:
NPN Normally Open
Max. Signal Current:
200 mADC
Max. Frequency:
2 kHz
Brake Pads:
Material:
Does not contain asbestos