Roberts Gorden POP-ECA/PGP-ECA 015 to 0100 Troubleshooting for Solenoid Valves Circuit

14.5 Troubleshooting for Solenoid Valves Circuit

START
Is there pressure on the	Yes	Is there an electrical supply	Yes
outlet of the valve when the		to the valve terminals?
valve should be closed?
		No
		Valve faulty.
		Replace with correct type.
No

Fault lies elsewhere.

Investigate and correct.

Does valve open at the	No
correct time?

Yes

Valve Operating

TROUBLESHOOT ENDS. No

Is there an electrical supply	Yes
to the valve terminals?

No

Valve faulty. Replace with correct type.

If problems persist, contact ROBERTS GORDON® at Tel: +44 (0)121 506 7709 www.rg-inc.com

Fault lies elsewhere.

Investigate and correct.

14.6 Troubleshooting for Main Fan Circuit (1 Ø)

START		Press in white button		Re check supply to
Main fan will not operate	No		No			Fault lies elsewhere.
		of fan/limit thermostat			No
				terminals L1 to N.
following warm up
		and retest.
period of heat exchanger.
Check for 230 V		Yes		Yes
at terminals 1 to N.
		Check the setting of the	Yes	Check calibration of the
		fan thermostat as in		fan thermostat.
		Figure 13.		The dial should indicate
				the approximate
				temperature of the
				sampled air.
		No
		Fan thermostat faulty.
		Replace and reset.
Yes

Check and test wiring to motor. Does the motor run No

now?

Yes
Motor stops after running	Yes
some time.

No

Motor running.

TROUBLESHOOT ENDS. No

Motor faulty.

Replace complete fan unit.

Thermal overload in motor

is faulty.

Replace complete fan unit.

If problems persist, contact ROBERTS GORDON® at Tel: +44 (0)121 506 7709 www.rg-inc.com

For your safety and optimum heater performance, use only ROBERTS GORDON® replacement parts.

Conduct Commissioning procedure as shown on Page 33, Section 10.