ProSpot Fitness HG-1, Owner'S Manual

Page: 18 / 19

-- 18 --
Trouble-Shooting
(con’t)
Before performing the trouble shooting on this page, go thru the Electrical Service Inspection on the previous
page.
Symptom: Sensor Weight Bar locks prematurely during work out.
Solution: 1. Perform Adjustments on Weight Bar / Cable-Knuckle assembly. See Diagram # 6.
2. Check Wire Harness for defective wire. (Continuity test)
Symptom:
Sensor Weight Bar will not unlock at all.
Solution: 1. Remove covers on both sides to gain access to Locking Post Wire Harness.
2. Unplug Sensor plugs from Rear Cable Knuckle (35 & 36) and hold one in each hand at the
same time.
3. If sensor triggers (red light comes on) then Wire Harness is good.
a. Recheck connections on Weight Bar / Cable-Knuckle Assembly. Make adjustments.
4. If sensor fails to trigger (no red light) then:
a. Re-check both Wire Harness’s with Meter (Continuity test) for defective wire and
replace.
Symptom: One side of system will not unlock.
Solution: 1. Check Double Cable Pulleys for free movement.
2. Check connections from Locking Post Wire Harness to contact strips.
3. Check free movement of Locking Pin. (Manually pull down Pin)
4. Trigger Sensor and test for 10-12 volts at Solenoid connection.
a. If it reads10-12 volts then replace Solenoid.
b. If no voltage, then check Wire Harness for defective wire. (Continuity test)
c. If Wire Harness is good the replace Electronic Box.
Symptom: Sensor Rod on Weight bar keeps popping up.
Solution: 1. Remove Sensor Collar and Sensor Rod.
2. Straighten any bends. (If too bent up, replace.)
3. Before reinstalling, bend angle in Sensor Rod slightly downward, so that there is tension on
Sensor Rod to seat it.
Symptom: If all Neon Lights fail to turn on.
Solution: 1. Check surge suppressor plug strip for proper function and 11ov output.
2. Test 12V Wall Adapter for 12-17 volts output.
3. Check Neon Light Wire Harnesses for possible broken wires or loose connections.
Symptom: If one of the Neon Lights fail to turn on.
Solution: 1. Check Neon Light Wire Harness for that Neon Light possible broken wires or loose
connections. Repair or replace if necessary.
2. Check for 12-17 volts output from where light plugs into Wire Harness.
a. If there is proper power then replace Neon Light.
b. If there is no power at connection then repair or replace bad wire harness.
For more detailed information go to our web site
www.prospotfitness.com under the technical
section and go to the Service Manual for the Fusion Series.