CAP-215
30
Instruction Manual Oil-Less Compressors
12. TROUBLE-SHOOTING
TROUBLE CAUSE REMEDY
Compresso
r
Compressor does not reach Condensate drain valv e(s) and/ Tighten and reseal
final pressure or fittings leak ing
Premature opening of f inal safety Clean final safety valve and re-
valve adjust
Piston rings worn Replace
Excessive piston clear ance Replace
Compressor output insuff icient Pipes leaking Re-tighten
Safety valv es between individual I ntermediate pressure too hi gh Check valves - see chapter 4 -
stages releasing pressure Valves not closing proper ly serv ice and clean valv es
Compressor running too hot Insufficient suppl y of fresh Check location max. am bient
cooling air temperature + 40º C (105º F)
Intake or outlet v alves not closing Check and clean valves, repl ace
properly as necessary
Wrong direction of rotation See arrow on compressor and
remedy accordingly
Control does not switch off , Final pressure switc h set too high Correct setting
final pressure safety v alve reli eving Final pressure safety v alve defecti ve Replace safety valv e
Automatic: Condensate Drain (optional)
Drain valves do not c lose No control air Check control air li ne
Drain valves leak ing Dismantle drain val ve and clean
Drain valves do not open Condensate drain valv e piston seize
d
Dismantle drain val ve, clean or
replace valve
Solenoid valv e does not close Solenoi d valve faul ty Check solenoid valv e and replace
if necessary
No electrical signal Check for voltage f rom timer
Solenoid valv e does not open Solenoid valve f aulty Check solenoid val ve and replace
if necessary
Continuous electrical signal Check electrical control circuit and
timer