Campbell Hausfeld HX5100 Operating Instructions Manual page 7

troubleshooting Chart (Continued)
Symptom
Compressor runs continuously
and air output is lower than
normal/low discharge pressure
Excessive moisture in discharge
air
Compressor runs continuously
and safety valve opens as
pressure rises
Excessive starting and stopping
(auto start)
Air leaking from unloader valve
on pressure switch
Possible Cause(s)
4. Tank leaks
1. Excessive air usage, compressor too small
2. Clogged intake filter
3. Loose connections at fittings, tubing, etc.
4. Tank leaks
5. Broken valves
6. Piston ring worn
1. Excessive water in tank
2. High humidity
1. Defective pressure switch
2. Defective safety valve
1. Excessive condensation in tank
2. Loose connections at fittings, tubing, etc.
3. Tank leaks
1. Check valve stuck in an open position
2. Unloader valve stuck in open position
Corrective Action
4. Check tank for leaks with soap and water solution.
If leak is detected, tank must be replaced with
genuine replacement part.
bleed tank
1. Decrease usage or purchase unit with higher air
delivery (SCFM).
2. Clean or replace.
3. Check all connections with soap and water solution.
If a leak is detected, (1) tighten or (2) remove fitting
and apply pipe tape to threads and reassemble.
4. Check tank for leaks with soap and water solution.
If leak is detected, tank must be replaced with
genuine replacement part.
5. Replace compressor valves as necessary.
6. Replace piston and cylinder.
1. Drain tank.
2. Move to area of less humidity; use air line filter.
notE: Water condensation is not caused by
compressor malfunction.
1. Replace switch.
2. Replace safety valve with genuine replacement
part.
1. Drain more often.
2. Check all connections with soap and water solution.
If a leak is detected, (1) tighten or (2) remove fitting
and apply pipe tape to threads and reassemble.
3. Check tank for leaks with soap and water solution.
If leak is detected, tank must be replaced with
genuine replacement part.
bleed tank
1. Repair or replace check valve.
2. Repair or replace unloader valve.
bleed tank
7
HX5100, HX5101
Do not disassemble
check valve with air in tank;
Do not disassemble
check valve with air in tank;
Do not disassemble
check valve with air in tank;
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