Troubleshooting, Trouble Remedy | Hobart 652 specification

5-3. Troubleshooting



	Trouble		Remedy

No weld output; unit completely		Place line disconnect device in On position (see Section 3-12).
inoperative; pilot light PL1 off.

		Check for open line fuse(s), and replace if open (see Section 3-12).

		Check for proper input power connections (see Section 3-12).

		Check for proper jumper link position (see Section 3-12).

		Check fuse F1, and replace if necessary (see Section 5-2).

No weld output; pilot light PL1 on.		Unit overheated. Allow unit to cool with fan On (see Section 3-2).

		If using remote control, place Output (Contactor) switch in Remote 14 position, and connect remote
		control (see Sections 3-9 and 3-10). If remote is not being used, place switch in On position (see
		Section 4-1).

		Check, repair, or replace remote control.

Limited weld output and low		Check position of Remote Amperage/Voltage Control switch (see Section 4-1).
open-circuit voltage.

		Check for open line fuse(s), and replace if open (see Section 3-12).

		Check for proper input power connections (see Section 3-12).

		Check for proper jumper link position (see Section 3-12).

		Clean and tighten all weld output connections.

Unit provides only maximum or		Have Factory Authorized Service Agent check control board PC1 and hall device HD1.
minimum weld output.

		Check position of Remote Amperage/Voltage Control switch (see Section 4-1).

Erratic or improper weld output.		Use proper size and type of weld cable (see Section 3-8).

		Clean and tighten all weld connections.

		Check wire feeder installation according to Owner’s Manual.

		Check position of Process selector switch (see Section 4-1).

		Have Factory Authorized Service Agent check control board PC1 and hall device HD1.

No 115 volts ac output at duplex recep-		Reset circuit breaker CB1 (see Section 3-7).
tacle, Remote 14 receptacle,
or terminal strip 1T.

No 24 volts ac output at Remote 14 re-		Reset circuit breaker CB2 (see Section 3-7).
ceptacle or terminal strip 1T.

Fan not operating. Note: fan only runs		Check for and remove anything blocking fan movement.
when cooling is necessary.

		Have Factory Authorized Service Agent check fan motor.

Wandering arc; poor control of arc		Reduce gas flow rate.
direction.

		Select proper size tungsten.

		Properly prepare tungsten.

Tungsten electrode oxidizing and not		Shield weld zone from drafts.
remaining bright after conclusion of
weld.

		Increase postflow time.

		Check and tighten all gas fittings.

		Properly prepare tungsten.

		Check for water in torch, and repair torch if necessary. See torch Owner’s Manual.

Digital meter not working properly.		Have Factory Authorized Service Agent check control board PC1 and connections, and replace if
		necessary.

OM-278 Page 23

652 specifications

Hobart 652 is a sophisticated piece of catering equipment designed to enhance food preparation and cooking efficiency in commercial kitchens. Known for its robust construction and user-friendly features, the Hobart 652 stands out as a versatile machine suitable for various food service environments, including restaurants, hotels, and catering companies.

One of the main features of the Hobart 652 is its powerful mixing capabilities. Equipped with a heavy-duty motor, it can handle even the most challenging mixing tasks, from bread dough to cake batter. The machine offers multiple speed settings, allowing users to tailor the mixing process according to specific recipes and requirements. This flexibility ensures optimal results for various culinary applications.

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Overall, the Hobart 652 is an integral asset for commercial kitchens, combining power, versatility, and advanced technology. Its numerous features and characteristics make it well-suited for professional chefs and kitchen staff, contributing to seamless food preparation and high-quality culinary output. As the demand for efficient kitchen equipment continues to grow, the Hobart 652 remains a reliable and effective solution for food service operations.